Visual dictionary and vocabulary for SAT GRE CAT GMAT BankPO MBA entrance exams

Toughest of the vocabulary explained visually from SKMClasses

Words starting with ” i ” for SAT, GRE, GMAT, CAT skmclasses Bangalore

iambic foot (iamb) – the poetry rhythm duh-DUH. Common in Shakespeare. Example: but, SOFT! / what LIGHT / through YON/der WIN/dow BREAKS?
trochaic foot (trochee) – DUH-duh. Example: LET her / LIVE to / EARN her / DINner /
dactylic foot (dactyl) – DUH-duh-duh. Example: AL-ice in / WON-der-land /
anapestic foot (anapest) – duh-duh-DUH. Example: the asSYR/ian came DOWN / like a WOLF / on the FOLD. vigorous, galloping; often in poems about horses or war

Icarian – eponym: soaring too high for safety; applying to ambitious or presumptuous acts which end in failure or ruin

Icarian soaring too high for safety applying ambitious presumptuous acts which end in failure ruin

Icarusian – eponym: flying too high to be sustained [Not a valid “word”, according to OED. see Icarian]


iconic – of an icon; that is, of a pictorial representation

iconoclast – who attacks popular beliefs or institutions

icthyomancy – divination by fishes [dictionary at mancy lists 54 form of divination]

idée fixe – an idea that dominates one’s mind; an obsession

idiot (old meaning) a private person, not holding public office. also (under a discredited, offense classification:) one incapable of connected speech or of avoiding the common dangers; needs constant attendance. imbecile – can attend to simple wants, avoid ordinary dangers. moron – can learn a simple trade but requires constant supervision

idiot savant  – a mentally handicapped person who displays brilliance in a specific area, especially one involving memory [French, ‘knowledgeable idiot’]

idlepated – idle-headed; stupid

Idlepated Idle-headed stupid

idolomancy – divination by idols, images, and figures [dictionary at mancy lists 54 form of divination]

if-by-whiskey speech – southern US regionalism: a speech coming down emphatically on both sides on an issue

iff – if and only if

ignoramus – eponym: an utterly ignorant person; a dunce (some sources add the concept of posturing: “a vain pretender to knowledge”) [from the title role of George Ruggle’s 1615 play satirizing the ignorance of common lawyers.]

ilk – sort, kind. also of that ilk – the estate name being the same as the family surname

illegal combatant (or unlawful combatant) – a combatant who, if captured, would not meet the standards of a prisoner of war [precise meaning is much misunderstood in dictionaries and the press]

illuminate – to add embellishments and paintings (to medieval manuscripts)

illuminati – people claiming to possess special enlightenment or knowledge.

ilunga (foreign) – a person who is ready to forgive any abuse for the first time; to tolerate it a second time; but never a third time. [from Tshiluba, a Bantu language spoken in south-eastern Congo and in Zaire]

Ilunga person who is ready to forgive any abuse for the first time

imaginist – one who lives in a world created by his or her active imagination

imbecile – see idiot

imbricate – see tunic

imbue – to inspire or influence thoroughly; pervade (also, to stain or dye deeply)

Imbue to inspire or influence thoroughly pervade

imbulbiate – to defecate in one’s pants

immaculate – 1. perfectly clean, neat, or tidy 2. free from flaw or mistake 3. pure; unstained; without sin]

immerd – to cover with excrement

immobilism – extreme political resistance to change

immure – to entomb in a wall, or to similarly confine or imprison [from Latin murus ‘wall’]

imparlibidinous – pertaining to inequality of desire between two people

impasto – laying on paint thickly so that it stands out from a surface

impignorate – to mortgage, pledge or pawn (also adjective)

importunate (also here) – pesteringly urgent and overly pressing in request (as a pushy beggar) [importune – to harass with persistent requests (also; to offer one’s services as a prostitute)]

imprimatur – official approval; sanction in camera – 1. in secret; privately 2. law: in private with a judge rather than in open court

Incisive – Having or demonstrating ability to recognize or draw fine distinctions

Short Story describing the meaning of the word incisive is at

in extremis – at the point of death

in flagrante delicto – caught red-handed, in the act of committing a misdeed. (also, caught in the midst of sex). Latin for “while the crime is blazing”.

Frequently applied to embarrassing but non-criminal situations.

inamorata; inamorato (fem. & masc.) – the one with whom one is in love or in an intimate relationship

Inamorata inamorato feminine one with whom one is in love in an intimate relationship

incarnadine – 1. fleshy pink color 2. blood-red. (An odd word, with two inconsistent meanings. Apparently Shakespeare incorrectly used it [in Macbeth] to mean blood-red, and the usage caught on.)

incarnate – in the flesh; in human form; also, to realize in action or fact; as actualize; community that incarnates its founders’ ideals

incommensurable – without a common measure on which to compare; “like apples and oranges” (different concept from with commensal, commensurate)

incubus – 1. an evil spirit supposed who has sex with women as they sleep. (see succubus) 2. a nightmare; an oppressive or nightmarish burden.

incumbent – lying upon something else: incumbent rock strata

incunabula books printed before 1501; also, the very earlier products of any art

incus – the flattened, anvil-shaped top of a thundercloud (also, a certain bone within the ear) [pl. incudes. From L. for ‘anvil’]

indict – to accuse of a crime or other offense (see indite)

indite – to write down; describe (see indict)

Indite to write down describe

indri [bizarre etymology] – the largest of the lemurs; severely endangered. [native phrase meaning “There it is!”; misunderstood by explorer]

induction (also here) – logic: inferring a general law or principle from the particular instances observed (contrast deduction – reasoning from

generalities to particulars) (several further definitions)

ineffable – 1. incapable of being expressed; indescribable 2. Not to be uttered; taboo

infectivity – the proportion of persons exposed to an infectious agent who become infected by it

infibulation – to close off the genitals, typically by stitching, so as to prevent intercourse

infix – an extra consonant that appears in some, but not all, tenses of an irregular verb

inflammable – flammable (not the opposite, as you might think). also fig.: excitable in temperament

influence; influenza – Latin influere “to flow into” flowed into English by two separate courses. (1) From Old French, influence, an emanation from the stars (2) From Italian influenza, a disease caused (it was thought) by the influence of the stars.

infographics – visual representations of information, data or knowledge. These graphics are used anywhere where information needs to be explained quickly or simply, such as in signs, maps, journalism, technical writing, and education

infralapsarian – one who holds that Adam and Eve chose their acts of their own free will

infucation – the act of painting or staining, esp. face-painting. In other words, putting on makeup.

infuse – 1. to pervade; fill 2. to instill (a quality) into 3. to soak (tea, herbs, etc.) to extract the taste or heal qualities

ingenuous – 1. without deviousness 2. without sophistication or worldliness

inhume – to bury [a person] in a grave or tomb [counterpart of ‘exhume’]

inkhorn – affectedly or ostentatiously learned: inkhorn words (See hapax)

inkhorn term – a ridiculously obscure and erudite-sounding term of foreign origin (typically Latinate or Greek), used in a pretentious attempt to appear

learned. [From the days of quill pens, which unlike modern pens do not carry their own ink. An inkhorn was a small vessel for ink fastened to the clothing.]

innervate – 1. to supply with nerves 2. to stimulate (a nerve or body part); contrast enervate

innumerate – antonym of numerate (see archives)

inpainting – art conservation: filling in lost or faded areas, with new paint

insidiate – to lie in ambush (for); to plot (against)

inter alia – among other things

interamnian – between rivers

interbastation – patchwork

intercalary – inserted in the calendar [now applied particularly to Feb. 29]; more generally: inserted amid others

intermodal – involving the transfer of goods between two different modes of transport

internaut – one skilled in navigating and using the Internet; ea netizen

interrobang – the punctuation mark ?!, used for sentences such as You did what?!

intestine (adj.) – internal

intromission – the act of inserting one thing into another; the act of letting something go in, admitting. Can be specifically used in a sexual sense.

inveigh – to attack with harsh criticism or reproach

inveigle – to win over a person by deceitful coaxing, flattery, allurement (OED) or cajolery (AHD)

inveterate – firmly and long established; deep-rooted; also, persisting in an ingrained habit

invidia – (the formal name of one of the seven deadly sins) envy

invigilator – someone who watches examination candidates to prevent cheating

invigorate – Heighten or intensify; Give life or energy to; Make lively; Impart vigour, strength, or vitality to..

Short Story describing the meaning of the word invigorate is at

involucre – a series of bracts beneath or around a flower

IPO – “Initial Public Offering”: a corporation’s first offer to sell stock to the public

ipse dixit – an unsupported dogmatic assertion. broader usage: argument from supposedly conclusive authority, rather than from reasoned evidence.

ipsedixitism – dogmatic assertion

ira – belligerence aroused by a real or supposed wrong (the formal name of one of the seven deadly sins)

Iraqnophobia – an unusually strong fear of Iraq, esp. its ability to manufacture and use biological, chemical, and nuclear weapons. (pun on arachnophobia – fear of spiders) This coinage had not achieved dictionary-recognition, as of May 2003

irascible (also here) – prone to outbursts of temper; easily angered

irenic – promoting peace, conducive to or working towards peace

Irenic promoting peace

irish bull – an incongruous statement (as “It was hereditary in his family to have no children”)

iron curtain – a barrier that prevents free communications of ideas and information

irony – the humorous or mildly sarcastic use of words to imply the opposite of what they normally mean

irredentist – an advocate of recovering, from a foreign government, territory culturally/historically related to one’s own nation (irredenta: such territory)

irrefragable – indisputable; impossible to refute or controvert

irrumatio – fellation

isabelline; isabella; isabel – a dingy grayish-yellow color, as of unwashed underwear

isinglass¹ – a gelatin obtained from fish; previously used to clarify wine

isinglass² – chiefly US: mica in thin transparent sheets, a heat-resistant substitute for glass

isobar – a line on a weather map connecting points of equal atmospheric pressure. [isobaric – having equal pressure ]

isogloss – the geographical boundary of some linguistic feature

isopiestic – noun: an isobar; adj. having equal pressure; isobaric]

issei – first-generation Japanese in the United States, who immigrated from Japan in the late 1800s and early 1900s; nisei – second-generation Japanese;

i.e, the offspring of issei; sansei – third-generation Japanese (note: distinct from sensei); yonsei – fourth-generation Japanese; nikkei – these four

generations collectively; kibei – nisei who returned to Japan for education.

ithyphallic – having the penis erect (typically applied to statues) (also: lascivious; salacious; obscene; lewd)

iamatology study of remedies
iambic consisting of iambuses; employing iambuses
iambize to satirize or lampoon; to ridicule in iambic verse
iambographer one who writes iambic verses
iambus poetic foot consisting of short then a long syllable
ianthine violet-coloured
iatraliptic relating to the curing of diseases by means of unguents
iatramelia medical negligence
iatrarchy government by physicians
iatrochemistry application of chemistry to medical theory
iatrogenic induced inadvertently by medical treatment
iatrology treatise or text on medical topics; study of medicine
iatromathematics archaic practice of medicine in conjunction with astrology
iatrophobia fear of going to the doctor
iberis low-growing flowering shrubby herb
ibex wild mountain goat with recurved horns
ibidem in the same place
ibidine pertaining to the ibis
ibis large stork-like bird; a pale apricot colour
icaco small fruit-bearing tropical tree
iceblink glare in the sky caused by light reflected off ice
iceland any land of perpetual ice
ichneumon small mongoose-like carnivorous quadruped
ichneumous parasitical
ichneutic of, like or pertaining to a tracker or tracking
ichnite fossilized footprint
ichnogram footprint
ichnography art of drawing ground plans; a ground plan
ichnology science of fossilized footprints
ichnomancy divination using footprints
ichorescent becoming ichorous
ichthyic of, resembling or pertaining to fish
ichthyoacanthotoxism poisoning from the sting or bite of a fish
ichthyocoprolite fossilized fish poop
ichthyography writing or description of fishes
ichthyoid fishlike
ichthyolatry the worship of fish
ichthyology study of fish
ichthyomancy divination by inspecting fish entrails
ichthyomorphic shaped like a fish
ichthyonomy classification of fishes
ichthyophagous fish-eating
ichthyophile one who loves fish or fishes

ichthyopolist – fish seller

Ichthyopolist fish seller

ichthyotoxism poisoning from fish venom
ichthytaxidermy fish taxidermy
ichu Andean alpine grass
ickle little
iconism imagery; metaphor
iconoclasm attacking of established beliefs
iconoduly veneration of icons or images
iconography study of drawing symbols
iconolagny sexual stimulation from pictures or statues
iconolatry image-worship
iconology study of icons; symbols
iconomachy opposition to the worship of images or icons
iconomancy divination using icons
iconomania obsession with icons or portraits
iconomatic using pictures to represent sounds of words; rebus-writing
iconometer instrument for finding size of object by measuring its image
iconophilism a taste for pictures and symbols
iconophobia fear or hatred of images
iconoplast one who makes images or icons
iconoscope old kind of television camera tube
iconostasis screen or partition in Eastern churches with tiers of icons
iconotropy misinterpretation by one group of the mythic imagery of another group
icosahedron solid with twenty plane faces
icterical of, like or pertaining to or suffering from jaundice
icterine of, like or pertaining to orioles and related birds
icterine yellowish or marked with yellow
icteritious jaundiced; yellow
icterogenic causing jaundice
icteroid resembling jaundice
ictic of, pertaining to, or caused by, a blow or stroke; pertaining to metrical stress
ictuate to emphasize; to put metrical stress on
ictus stress in poetry or verse
idealism doctrine that reality is ultimately mental
idempotent quantity which does not change when squared
ideogenous being of mental origin
ideogeny study of origins of ideas
ideogram symbol that stands for a concept rather than a word
ideography writing using signs representing ideas rather than sounds
ideophone word that is spoken but not written
ideopraxist one who is impelled to carry out an idea
idiochromatic having unique or distinctive coloration
idiocrasis intrinsic peculiarity or unique feature
idioglossia private language developed between children
idiograph private mark; trademark
idiography study or description of individual events or facts rather than patterns
idiolect distinctive individual form of speech
idiologism personal speech peculiarity
idiomology study of idiom, jargon or dialect
idiomorphic having a unique or distinct form
idiopathic disease particular to an individual
idiophone percussion instrument made of naturally resonant material
idiorhythmic self-regulating
idiothermous warm-blooded
idioticon vocabulary of a particular district
idolomancy divination using idols
idolomania obsession or devotion to idols
idolothyte sacrifice presented to an idol
idolum mental image; logical fallacy
idoneous suitable; appropriate
ifsoever if ever
ignavia laziness; laxity
ignescent capable of emitting sparks; of a volatile mood
ignicolist fire-worshipper
ignify to burn
ignipotent presiding over fire
ignivomous vomiting or spewing forth fire
ignoscency forgiveness
ignotism mistake due to ignorance
iguana large tropical New World lizard
iiwi bright red Hawaiian bird
ilastical propitiatory; expiatory
iliac of, like or pertaining to the loins
ilicic of, like or pertaining to holly
ilke kind or nature
illapse to glide in
illaqueate to ensnare
illation the act of inferring from premises
illative indicating movement into or toward
illaudable not praiseworthy

illecebrous enticing; attractive

illecebrous Enticing

illeist one who refers to oneself in the third person
illimitable limitlessly infinite
illinition act of rubbing against or on
illiquation the melting of one thing into another
illision the act of striking against something
illocution an act which is performed by speaking words
illude to trick
illuminism belief in an inward spiritual light
illusionism belief that the external world is philosophy

Illusion explained
illutation mud bath
illuvium material dissolved in water and deposited in layers
imagism doctrine of use of precise images with unrestricted subject
imago idealized mental image of a person
imbibition the absorption of a liquid by a solid or gel
imbreviate to enroll
imbricate to lay overlapping one another
imbroglio confusing or disturbing situation; confused mass or heap
imbrue to wet or moisten
imbrute to degrade to the state of a brute
imburse to put in a purse; to pay
immanation flowing in
immanent inherent; permanently pervading the universe
immanentism belief in an immanent or permanent god
immarcescible unfading; imperishable
immaterialism the doctrine that there is no material substance
immeability state of being impassable or impermeable
immerge to immerse; to dip into water
immeritous undeserving
imminution lessening; decreasing
immiseration progressive impoverishment or degradation
immission insertion; infusion
immix to commingle
immoralism rejection of morality
immortelle everlasting dried flower
immunifacient causing immunity
immunogenetics study of genetic characteristics of immunity
immunogenic producing an immune response
immunopathology study of immunity to disease
immure to imprison; to shut in
impacable not able to be quieted or appeased
impanate embodied in bread
imparidigitate having an odd number of fingers on each limb
imparlance delay in pleading for amicable adjustment
impaste to lay paint or colours thickly on
impavid fearless; undaunted
impecunious without money; penniless

36 elegiac wistfully mournful
impedimenta things that impede; baggage

12 too many hand baggage
impedimentary hindering; obstructing

Impel – Urge or force (a person) to an action; constrain or motivate. Cause to move forward with force.

Short Story describing the meaning of the word impel is at

impennate featherless; wingless

imperscriptible not recorded; unwritten
imperseverant lacking the power to perceive
impest to infest with plague or pestilence
impetrate to obtain by entreaty, request or prayer
impignorate to pledge, pawn or mortgage
impleach to intertwine
impletion filling; fullness; fulfilment

implex not simple; involved; complicated

implex not simple involved complicated confused

implodent an implosive sound
implumous without feathers
imponent that which imposes an obligation
importune to press or urge with repeated requests
impostume abscess
imprecate to call down by prayer; to curse; to invoke evil on
imprescriptible inalienable
imprest a loan or advance of money
imprimatur licence to print a book
imprimis in the first place
imprimitive not primitive
impropriate to appropriate for private use
improvident lacking foresight; thoughtless
impudicity shamelessness
impugn to oppose; to attack by words or arguments
imputation attribution of fault to
imsonic onomatopoetic
inaniloquent prone to foolish or empty babbling
inanition emptiness; starvation
inappetent lacking desire or appetite
inapt unfit or unqualified
inaurate gilded; golden
inbeing inherence; inherent existence
inboard inside the line of a ship’s bulwarks or hull
incalescent growing warm
incanous covered with soft white hair
incardination acceptance by a diocese of clergyman from another diocese
incarnadine carnation-coloured; blood-red
incatenation harnessing; chaining together
incede to advance majestically
incendivity the power of causing ignition
incentivize to be given an incentive
incept to take into the body; ingest
inceptive marking the beginning or formation
inchoate undeveloped; just begun
incipient beginning; in an early stage
incivism neglect of duty as a citizen
inclinometer instrument for measuring inclination to the horizontal of an axis
incommiscible unable to be mixed or intermingled
incommode to cause trouble or inconvenience to
incommutable that cannot be commuted or exchanged
incompossible incapable of coexisting
inconcinnity lack of congruousness or proportion
incondite not well put together; poorly constructed
inconscient unconscious; abstracted
incontrair in opposition to
incoronate crowned
incorpse to incorporate
incrassate to thicken
increscent waxing
incubus nightmare; burden
inculcate implant in by persistent urging
inculpate to blame; to incriminate
incult uncultivated; coarse
incunabulist one who collects early books
incunabulum early printed book; early version of a thing
incuse impressed or stamped upon
indagate to search out; to investigate
indehiscent not opening when mature
indicia indicating marks or symptoms
indifferentism the belief that all religions are equally valid
indigence poverty; state of being needy
indign unworthy; disgraceful; unseemly
indigo deep blue-violet colour; a blue-violet dye
indiscerptible not able to be separated
indite to compose
individualism belief that individual interests and rights are paramount
indoles inherent disposition
induciae peace treaty or armistice

inductivism belief in the superiority of induction over deduction

indue to supply; to endow

indulgence former Catholic pardon granted for remission of punishment for sins

indult special temporary dispensation granted by the Catholic church

indumentum total body covering of hair, fur or feathers

indurate to make hard, callous or unfeeling

induviae withered leaves which persist on plants

indwell to exist within as a guiding force

ineloquence unappealing speech

Ineloquence unappealing speech nonsense

Short Story describing the meaning of the word ineloquence is at

ineluctable against which it is useless to struggle

Ineluctable against which it is useless to struggle

Short Story describing the meaning of the word ineluctable is at

inescatory of, like or pertaining to baiting; adapted to bait

inesculent inedible

inessive indicating location within

ineunt entering

inexpiable that which cannot be expiated or atoned for

inexpugnable not able to be attacked or captured

Inexpugnable not able to be attacked or captured

Short Story describing the meaning of the word inexpugnable is at

infandous unmentionable

Infandous unmentionable nonsense

Short Story describing the meaning of the word infandous is at

infantocracy government by an infant

infarction tissue dying due to lack of blood flow

infaust unlucky; ill-omened

infelicitous inappropriate in application or expression

inferiae offerings to the spirits of the dead

inficete not facetious; rudely jesting

infinitism belief that God or the universe are infinite

infirmity – 1. the state of being weak in health or body (especially from old age): “Sarah, who is in her late nineties, walks several miles daily to

stave off infirmity.”

2. frailty; debility; feebleness

3. a medical condition that causes weakness

4. a weakness or failing in somebody’s character
From English, ‘infirm’; from Middle English, ‘infirme’; from Old French; from Latin, ‘infirmus’: literally, not strong (‘in-‘: not + ‘firmus’: strong,


inflorescence process of producing flowers; flowering
infomania excessive devotion to accumulating facts
infra below; later in a text
infrangible not able to be broken or violated
infructuous not fruitful
infumate smoky; blackened
infundibuliform having the form or shape of a funnel or cone
infuscate clouded or tinged with brown; obscured; cloudy brown colour
ingannation deception
ingate inlet for molten metal in founding
ingeminate to reiterate; to redouble
ingerence intrusion; interference
ingle a fire in a room; a fireplace
inglenook alcove by a large open fire
ingluvies a crop or craw of birds
ingluvious gluttonous
ingravescent becoming more severe
ingression pronounced with inhalation rather than exhalation
inguinal of, like or pertaining to the groin

ingurgitate to swallow; to guzzle

Short Story describing the meaning of the word ingurgitate is at

inhaust to drink in
inhere be inherent
inhumation burial; act of depositing in the ground
inhumist referring to a society that burns its dead
inimical hostile; harmful

iniquity – wickedness; gross injustice

Iniquity wickedness or sin

inkhorn portable case for ink
inkhornism pedantic word or expression
inlagation pardoning of an outlaw
inlapidate to petrify
inly inwardly; thoroughly
innitency state of leaning or resting upon something
innominate having no name
innoxious harmless
inoperculate without an operculum or lid

inopinate not thought of; unexpected

Short Story describing the meaning of the word inopinate is at

inorthography incorrect spelling
inosculate to join together with ducts or openings; to blend or combine
inquiline living with another; dwelling in another creature’s lair
inquinate to corrupt or defile
inquirendo authority to inquire into something
inquisiturient eager to act as an inquisitor
inquorate not making up a quorum
inscenation staging; setting
inscient having little or no knowledge
insculp to engrave, to cut or carve from something
insectifuge insect repellent
insectivorous eating insects
insectology study of insects
insessorial adapted for perching
insidiate to conspire against; to betray

insidiate to conspire against

insipience lack of wisdom; stupidity
insolate to treat by exposure to the sun’s rays
insouciance indifference; apathy
insouciant lighthearted and unconcerned
inspan to bring or force into service
inspissate to thicken or condense
instanter at once
instauration restoration; renewal
institorial of, like or pertaining to an agent or factor
instructive indicating means whereby
instrumental indicating means by which
instrumentalism doctrine that ideas are instruments of action
insufflate to disseminate by blowing; to breathe upon
insulse lacking wit; dull; stupid; insipid
intaglio a figure engraved into a gem or another substance
integument an external covering or coating
intellection act of thinking; exercise of the intellect
intellectualism belief that all knowledge is derived from reason
intemerate pure; undefiled
intempestive unseasonable; untimely; inopportune
intenerate to make tender; to soften
intenible not capable of holding or retaining
interactionism belief that mind and body act on each other
interamnian between two rivers
intercalary interpolated; inserted between other things
intercalation interpolation; insertion between others
interciliary between the eyebrows
intercipient intercepting
interclude to block; to enclose; to cut off
intercolline lying between hills
intercostal between the ribs
intercrural within or pertaining to the area between the legs
interdigitate to interlock in the manner of locked fingers
interdine to eat together
interfenestration spacing of windows
interferometer instrument for analysing spectra of light
interfluve area between two rivers that flow in the same direction
intergrade to merge or shade by means of intermediate steps
interim meanwhile
interjacent intervening; situated between two things
interjaculate to ejaculate in interruption
interlaminate to insert between layers
interlocutor one who converses; interpreter; participant in conversation
interlucation thinning of a forest to let some light in
interlunation dark time between old moon and new
intermure to wall in

internecine causing (mutual) destruction
internecine – 1. of or relating to conflict or struggle within a group or organization: “Our movement began ambitiously, but we lacked focus, and our

internecine bickering and various conflicting agendas drained us of momentum.”

2. mutually destructive; ruinous for both sides

3. characterized by bloodshed or slaughter
Approximately 1663; derived from Latin, ‘internecinus,’ a variant of ‘internecivus’: murderous or destructive, from ‘internecare’: to destroy or slaughter

(‘inter’: each other + ‘necare’: to kill).

internuncio messenger between two parties; low-ranking papal legate
interosculant possessing attributes common to different groups
interpellation question raised during the course of debate
interpilaster space between two pilasters
interpunct point or dot between words in•place•of•spaces
interpunction insertion of punctuation marks in writing
interramification interweaving of branches
interrex one who rules during an interregnum; regent
interrobang combination of exclamation point and question mark
interscribe to write between
intersidereal between stars
interstitial of, like or pertaining to the space between things
intertesselation complex interrelationship
intertie short timber binding together upright posts
intertrigo skin rash due to friction of two moist surfaces
intervallum between the ramparts
intervolve to roll up or entwine with one another
intinction administering communion by dipping bread into wine
intitule to endow or furnish with a title
intorted twisted inwards; involved
intrados undersurface of an arch or vault
intrant entering; penetrating
introessive indicating motion into
introit psalm or hymn sung at beginning of church service
intromit to introduce; to admit; to insert
introrse turned or facing inward
introspectionism doctrine that knowledge of mind must derive from introspection
intuitionism belief that the perception of truth is by intuition
intumesce to enlarge; to swell; to bubble
intussusception movement of one part of a thing into another
inumbrate to cast a shadow upon; to shade
inunction anointing, smearing or rubbing with ointment
inurbanity lack of manners or deportment; incivility
inusitation disuse; disrepair
inustion burning in; cauterization
invaginate to sheathe; to draw in; to enfold
inveigh to make an attack in speech or writing

inveigle to entice; to wheedle

inveigling – Influence or urge by gentle urging, caressing, or flattering

Short Story explaining the word inveigling is at

invenit invented it
inverecund shameless; unabashed
inveterate long-established; confirmed
invictive insurmountable; undefeatable
invidious likely to excite indignation against the performer
invination presence of Christ’s blood in sanctified wine
inviscate to entrap with sticky material
invitatory psalm or anthem sung before prayer during church service
invultuation the making of an image for use in witchcraft
inwith inside
ionophone loudspeaker that uses vibrations of ionized air to amplify sound
ionosonde device for recording information about the ionosphere using echoes
iopterous having violet-coloured wings
iotacism excessive use of the letter ‘i’
iotize to add the letter ‘i’ before another letter
ipecac an emetic root-plant
ipecacuanhic of or relating to ipecac
ipiti a small antelope
ipseand old name for the ampersand
ipseity selfhood; state of being oneself
ipsilateral occurring on the same side of the body
iracund inclined to become angry
iracundulous somewhat inclined to become angry
irascent becoming enraged or angry
ireless without anger or ire
irenarch ancient Roman and Byzantine keeper of the peace

irenicon proposal to promote peace between rival churches
irenology the study of peace
irian belonging to the iris of the eye
iridaceous of, like, or pertaining to iris plants
iridal of or pertaining to the rainbow
iridian having or suggestive of the colours of a rainbow
iridic of, like or pertaining to the iris of the eye
iridine rainbow-like
iridize to make iridescent
iridology study of the iris; diagnosis of disease based on the iris of the eye
irisate to render iridescent
iriscope instrument for exhibiting the prismatic colours
iroko West African hardwood tree
ironice ironically
ironism practice of using irony
ironless not possessing iron
ironmaster head of an ironworks
ironwort herb reputed to be effective in treating sword wounds
irradiant emitting rays of light
irradicate to fix firmly
irrased in heraldry, indented
irrecusable that cannot be rejected
irredenta territory related ethnically to one state but subject to another
irredentism advocating restoration of territory to a nation
irredivivous unable to be revived
irreflex not turned back; not turned aside
irrefragable that cannot be refuted; unanswerable
irrefrangible incapable of refraction
irregenerate not regenerate; unregenerate
irrelate unrelated
irreligion hostility to religious principles; lack of religion
irreligionism system of belief that is hostile to religions
irremeable which cannot be returned; irrevocable
irremissible that cannot be forgiven; unpardonable
irremoval absence of removal
irreplevisable in law, that cannot be restored to its rightful owner
irreposcible unable to be demanded back
irreption stealthy entrance; a subtle or creeping entry into
irreptitious having crept into a text
irrequisite unnecessary
irresiant having no residence; not resident

irrespectuose disrespectful

Irrespectuose woman disrespectful slut bad immoral prostitute

irresultive having no result
irretiate to ensnare; to trap in a net
irrevincible invincible; incontrovertible
irriguous watered; wet; irrigating
irrisible worthy of derision
irrision the act of laughing at another

irrision the act of laughing at another

irrisory mocking; derisive

irrisory derisive woman

irrite void
irroborate to strengthen
irroration watering a plant with discharge of a sick person
irruent running hastily; rushing
irrumpent bursting or breaking in
irruption breaking or bursting in
isabelline greyish yellow
isabnormal line connecting points of equal deviation from mean temperature
isacoustic line connecting points of equal acoustic quality
isagoge academic introduction to a subject
isagogic introductory
isallobar line connecting points of equal change in barometric pressure
isallotherm line connecting points of equal temperature variation in a period
isanemone line connecting points on map having same wind velocity
isanther line connecting points where flowers bloom at the same time of year
isapostolic equal to or contemporary with the apostles
isatis Arctic fox
ischaemia lack of blood in a part of the body due to an obstruction
ischiatic of or pertaining to the ischium or hip
ischiorrhogic of an iambic line, having spondees in the second, fourth or sixth place
ischuretic diuretic
ischuria retention of urine
iseidomal line connecting points of equal visibility of a spectacle
isentropic line connecting points of equal entropy
ishan prehistoric Iraqi mound
ishies hip-joints
ising meat sausage
isinglass firm semitransparent substance used to make jellies
islandic of or pertaining to an island
islesman inhabitant of a group of islands
islomania craze or obsession for islands
ismatic addicted to “isms” or faddish theories
isness the fact of being; essence
isobar line connecting points of same atmospheric pressure
isobase line connecting points of equal land upheaval
isobath line connecting points of equal underwater depth
isobathytherm line connecting points of equal temperature and depth underground
isobront line connecting points of simultaneous storm development
isocephaly arrangement of figures in art so that their heads are at the same height
isochar line connecting points of similar distinguishing characteristics of plant life
isochasm line connecting points of equal frequency of aurorae
isocheim line connecting points of same average winter temperature
isochlor line connecting points of equal chlorine concentration
isochor line connecting points of varying conditions under constant volume
isochrone line connecting points of equal time difference or simultaneous occurrence
isochronous having the same duration; recurring at equal intervals
isochroous having a uniform colour
isoclinal line connecting points of same magnetic dip
isocost line connecting points of equal cost
isocracy equal political power
isocryme line connecting points of equal winter temperature
isodiabatic having equal transmission of heat
isodose line connecting points that receive equal doses of radiation
isodynamic line connecting points of equal magnetic intensity
isoflor line connecting points of equal number of plant species
isogam line connecting points of equal acceleration due to gravity
isogen line connecting points of equal birthrates
isogeny sameness or similarity of origin
isogeotherm line connecting points of equal subterranean temperature
isogloss line connecting points of similar regional dialect
isoglossal having similar speech patterns or language
isogonal having equal angles
isogonal line connecting points of equal magnetic declination
isograd line connecting points of similar conditions during geological metamorphism
isogram line connecting points on a map having some similar feature
isograph line connecting points of same linguistic usage in some respect
isography imitation of handwriting
isohaline line connecting points of equal salinity
isohalsine line connecting points of equal ocean salinity
isohel line connecting points of equal sunlight
isohyet line connecting points of equal rainfall
isokeraunic line connecting points of equal occurrence of thunderstorms
isolex line connecting points of same vocabulary usage
isoline line connecting points on a map having some similar feature
isomagnetic line connecting points of equal magnetic induction
isometric line connecting points of equal variations of pressure
isomorph line connecting points of same linguistic morphological forms
isonephelic line connecting points of equal cloud cover
isonomy equal law; rights or privileges
isonym word having the same derivation or form as another
isopach line connecting points of equal thickness of geological strata
isophene line connecting points of the same phenotype or seasonal variation
isophote line connecting points of equal light intensity from a given source
isopiestic line connecting points of equal pressure but varying temperature and volume
isopiptesis line connecting points of same arrival date of migratory species
isopleth line connecting points of equal aspect of climate
isopolity reciprocity of rights of citizenship in two communities
isopor line connecting points of equal annual change in magnetic field
isoprofit line connecting points of equal profit
isopsephic equal in number
isopycnic line connecting points of equal density
isoquant line connecting points of equal output
isorithm line connecting points of equal population density
isorropic of equal value
isoseismal line connecting points of same earthquake intensity
isostasy condition of equilibrium in the earth’s crust
isostere line connecting points of equal specific volume of a substance
isotac line joining points where the ice melts at the same time of year
isotach line connecting points of the same wind speed
isothere line connecting points of equal summer temperature
isotherm line connecting points of equal temperature
isothermobath line connecting points of equal temperature at a given ocean depth
isotherombrose line connecting points of equal ratio of summer rainfall to annual rainfall
isotropic having the same properties in every direction
isovol line connecting points of equal ratio of fixed to volatile carbon in coal
issles sparks; embers
issuant issuing from; in heraldry, emerging from the bottom of a chief
ist one who holds to an ‘ism’
isthmian living on or situated on an isthmus
isthmoid resembling an isthmus
istle coarse tough Central American fibre used to make cords and nets
itacism pronunciation of the Greek letter eta as ‘ee’
itai-itai disease caused by cadmium poisoning and resulting in back pain
Italiot person of Greek descent dwelling in ancient Italy
Italomania obsession with Italy or Italians
item likewise; also
iter circuit; path; road or line of travel
iterant repeating; echoing
iteration repetition
iterum again; afresh; anew
ithomiid tropical South American butterfly
ithyphallic indecent; immoral
itinerarian traveller
itinerarily in the course of wandering
ition the action of going
itis bodily condition or disease
iulan of the first growth of the beard
iulus millipede
ivi Tahitian chestnut tree
ivoride imitation ivory
ivorine white and smooth like ivory
ivorist one who carves ivory professionally
ivresse drunkenness
iwis surely; certainly
ixia South African beautiful flowering plant
ixiodic of, like or pertaining to ticks
ixora tropical evergreen shrub with white flowers
izard goatlike antelope found in the Pyrenees
izzard archaic name for the letter Z
izzat public esteem; honour

(n.) one who attacks common beliefs or institutions (Jane goes to one protest after another, but she seems to be an iconoclast rather than an activist

with a progressive agenda.)

Are you always challenging the establishment? Or provoking popular thought by attacking traditions and institutions? Then you’re definitely an iconoclast.

To be called an iconoclast today is usually kind of cool — they’re rugged individualists, bold thinkers who don’t give a hoot what tradition calls for. But

back in medieval Greece, the iconoclasts had a more thuggish reputation. Stemming from the Greek words eikon, meaning “image,” and klastes, meaning

“breaker,” an iconoclast was someone who destroyed religious sculptures and paintings.

(adj.) humiliating, disgracing (It was really ignominious to be kicked out of the dorm for having an illegal gas stove in my room.)
(used of conduct or character) deserving or bringing disgrace or shame. “an ignominious retreat”.

(adj.) stoic, not susceptible to suffering (Stop being so impassive; it’s healthy to cry every now and then.)

impecunious –

If you are hard up, broke, penniless, or strapped for cash, you could describe yourself as impecunious. Then maybe you could make some money teaching

vocabulary words.

Impecunious comes from the old Latin word for money, pecunia, combined with the prefix im, meaning not or without. But impecunious doesn’t just mean having no money. It means that you almost never have any money. If you go into the arts, you are most likely facing an impecunious future. If you gamble away your cash instead of saving it for rent, your landlord might throw you out for being impecunious.

imperious – (adj.) commanding, domineering (The imperious nature of your manner led me to dislike you at once.)

Imperious commanding domineering

impertinent – (adj.) rude, insolent (Most of your comments are so impertinent that I don’t wish to dignify them with an answer.)

impervious – (adj.) impenetrable, incapable of being affected (Because of their thick layer of fur, many seals are almost impervious to the cold.)

impetuous – (adj.) rash; hastily done (Hilda’s hasty slaying of the king was an impetuous, thoughtless action.)
Someone impetuous acts too hastily or carelessly. Hotheaded, impulsive folks are impetuous.

If you’re a careful person who thinks everything through and doesn’t act rashly, then you’re not very impetuous. Impetuous has to do with doing things on the spur of the moment — and not good things. Being impetuous usually goes along with being impatient and easily angered. If you’re impetuous, you act quickly and thoughtlessly when you should just take a deep breath, relax, and think about the best thing to do.

Impetuous rash hastily done

1. (v.) to impact, affect, make an impression (The hail impinged the roof, leaving large dents.)
2. (v.) to encroach, infringe (I apologize for impinging upon you like this, but I really need to use your bathroom. Now.)

implacable – (adj.) incapable of being appeased or mitigated (Watch out: Once you shun Grandma’s cooking, she is totally implacable.)

impudent – (adj.) casually rude, insolent, impertinent (The impudent young man looked the princess up and down and told her she was hot even though she hadn’t asked him.)

Impudent casually rude insolent impertinent

impute –

The verb impute can be used to blame someone for doing something bad, give credit for good work, or just tell it like it is, like when you impute your

lateness to my not telling you where to meet me.

When you impute something, you name the cause of something that has happened. For example, you might impute your ability to sing well to the thousands of

dollars your parents spent in voice lessons. In other words, you name the source. You can also impute a person, like imputing to a teacher your love of

learning — he or she helped you become more interested in school and your classes.

inane – If something is inane, it’s silly or senseless. If you just want to space out, you won’t mind the inane chatter on TV, as long as it’s on.

Inane comes from the Latin inanis, for empty, and you can think of it as empty-headed. We call something inane if it states the obvious, or is really silly in a way that seems unintelligent. If you give your boss a presentation in a bunny suit and sing a song about being happy, she might say, “Get out of here with your inane bunny act!” Other synonyms are stupid, vacuous, ridiculous, pointless.

Inane If something is inane its silly senseless

(adj.) unformed or formless, in a beginning stage (The country’s government is still inchoate and, because it has no great tradition, quite unstable.)
Inchoate means just beginning to form. You can have an inchoate idea, like the earliest flickers of images for your masterpiece, or it can be a feeling,

like the inchoate sense of anger toward your new neighbor’s talking parrot.

Inchoate comes from a Latin word for beginning. When something is inchoate, although you don’t yet understand what it is fully, you have a strong sense

that it is indeed coming. It’s stronger than the wisp of an idea that never turns into anything. But it’s hard to really find the language to describe an

inchoate idea. That’s the whole point: you don’t have the words for it yet!

(adj.) indisputable (Only stubborn Tina would attempt to disprove the incontrovertible laws of physics.)

indefatigable – (adj.) incapable of defeat, failure, decay (Even after traveling 62 miles, the indefatigable runner kept on moving.)

Short Story describing the meaning of the word indefatigable is at

ineffable – (adj.) unspeakable, incapable of being expressed through words (It is said that the experience of playing with a dolphin is ineffable and can only be understood through direct encounter.)

(adj.) incapable of being persuaded or placated (Although I begged for hours, Mom was inexorable and refused to let me stay out all night after the

When a person is inexorable, they’re stubborn. When a thing or process is inexorable, it can’t be stopped.

This is a word for people and things that will not change direction. An inexorable person is hard-headed and cannot be convinced to change their mind, no

matter what. You can also say that a process, like the progress of a deadly illness, is inexorable because it can’t be stopped. A speeding train with no

brakes is inexorable; it’s not stopping till it crashes. When you see the word inexorable, think “No one’s stopping that.”

(adj.) not devious; innocent and candid (He must have writers, but his speeches seem so ingenuous it’s hard to believe he’s not speaking from his own


(adj.) hostile (I don’t see how I could ever work for a company that was so cold and inimical to me during my interviews.)

Interview Technique advanced Psychology

Censorship is inimical to freedom. So, most teenagers would argue, are curfews. To be inimical is to be harmful, antagonistic, or opposed to — like smoking two packs a day is to healthy lungs.

4 smoking for stress management

Inimical comes from the Latin word inimicus, meaning “enemy.” It suggests acting like someone’s enemy––being adverse, damaging, or downright hostile. It can refer to anything from emotions and actions to public policy. Be careful not to mix it up with inimitable, which means too good to be copied.

(n.) wickedness or sin (“Your iniquity,” said the priest to the practical jokester, “will be forgiven.”)

(adj.) appealing but imperceptibly harmful, seductive (Lisa’s insidious chocolate cake tastes so good but makes you feel so sick later on!)
If something is slowly and secretly causing harm, it’s insidious — like the rumors no one seems to listen to until suddenly someone’s reputation is ruined.
Insidious is related to the Latin noun, insidiae meaning “ambush” which comes from the Latin verb, insidere “to lie in wait for.” This is very fitting as

an insidious rumor or problem is one whose negative effect is not realized until the damage is already done. Similarly, an insidious disease develops

internally without symptoms, so that you don’t realize right away that you are sick.

Intransigent – (adj.) refusing to compromise, often on an extreme opinion (The intransigent child said he would have 12 scoops of ice cream or he would bang his head against the wall until his mother fainted from fear.)
Intransigent means inflexible, stubborn, entrenched. Argue all you like with an intransigent three-year-old. He will never back down from the position that he wants the lollipop NOW.

Intransigent refusing to compromise often on an extreme opinion

Trans has to do with movement — think transportation, or a package in transit, i.e. “on the way.” The in- of intransigent means “not,” so something or someone who is intransigent is not moving. If one political party wants to raise funds to improve schools but the other is intransigent on the subject of higher taxes, the debate will get nowhere.

Intransigent refusing to compromise often on an extreme opinion

(v.) to cause someone or something to become accustomed to a situation (Twenty years in the salt mines inured the man to the discomforts of dirt and


To inure is to get used to something difficult or unpleasant. If after spending an hour in your brother’s room, you stop noticing the stinky-sock smell,

you have become inured to the odor.

Although the Latin roots of inure mean “in work,” it may be easier to think of “in use” when you see inure. Got new shoes that give you blisters? When they are “in use” long enough, your feet will become inured to the spots that rub, and while you may have calluses, you will not be in pain. You can be inured to more abstract things too. When weathermen constantly play up the next big snowstorm or blizzard, you become inured to it and stop paying attention to them.

(n.) an angry verbal attack (My mother’s irrational invective against the way I dress only made me decide to dye my hair green.)
Invective is harsh, abusive language, like, “you dirty rotten scoundrel.” I’m sure you can think of harsher and more obscene examples, but we won’t get

into them here.

Invective comes from the Latin for “abusive.” It kind of sounds like a harsh word, actually, with those sharp, dagger-like V’s. People usually put a

colorful verb or phrase before it. Some examples: “She spewed invective,” “She hurled invective,” “She burst forth into invective.” You can follow it with

a phrase like, “picking up her plate and throwing it across the room.”

Inveterate – (adj.) stubbornly established by habit (I’m the first to admit that I’m an inveterate coffee drinker—I drink four cups a day.)
If you’re an inveterate doodler, all your notebooks are covered with drawings. If you’re an inveterate golf player, you probably get twitchy if you haven’t been out on a course in a week.

In Middle English inveterate was associated with chronic disease. Now it simply refers to something that is a signature habit with a person. Unless you’re an inveterate gambler, drinker or smoker––in which case you’re addicted and we’re back to talking about being sick.

Inveterate stubbornly established by habit


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