GRE Vocab Is

iconoclast

(n) A person who attacks or criticizes cherished beliefs or institutions; a destroyer of images used in religious worship

idiosyncrasy

(n) A behavior or way of thought peculiar to an individual; a distinctive or peculiar feature or characteristic of a place or thing often seen in a specific context or culture.

ignominy

(n) public shame or disgrace

illiberal

(a) opposed to liberal principles; restricting freedom of thought or behavior; narrow-minded or intolerant

illusory

(a) based on illusion; not real

imbroglio

(n) an extremely confused, complicated, or embarrassing situation; confused discussion

immure

(v) enclose or confine (someone) against their will

impassive

(a) not feeling or showing emotion

impecunious

(a) having little or no money

imperative

(a) Of vital importance; crucial (n) an essential or urgent thing

imperious

(a) Assuming power or authority without justification; arrogant and domineering

imperturbable

(a) unable to be upset or excited; calm.

impetuous

(a) Acting or done quickly and without thought or care.

impetus

(n) The force or energy with which a body moves;
the force that makes something happen or happen more quickly

impinge

(v) Have an effect or impact, especially a negative one
advance over an area belonging to someone or something else; encroach

implacable

(a) Unable to be placated.

implication

(n) A conclusion that can be drawn from something, although it is not explicitly stated.

implicit

(a) Implied though not plainly expressed.

imploring

(a) Begging someone earnestly or desperately to do something.

importune

(v) To harass someone, or ask someone pressingly and persistently for something.

impregnable

(a) Unable to be captured or broken into.

imprimatur

(n) A person's acceptance or guarantee that something is of a good standard.

impudence

(n) Lack of respect; rudeness.

impugn

(v) Dispute the truth, validity, or honesty of a statement.

inalienable

(a) Not able to be taken away or transferred.

inane

(a) Silly; stupid.

incandescent

(a) Emitting light as a result of being heated.

incensed

(a) Very angry; enraged.

inchoate

(a) Just begun and not fully formed or developed.

incipient

(a) In an initial stage; beginning to happen or develop.

incisive

(a) Intelligently analytical and clear-thinking.

incorrigible

(a) Not able to be corrected, improved, or reformed.

inculcate

(v) To instill an idea or habit by persistent instruction.

incumbent

(a) Necessary for (someone) as a duty or responsibility.

indefatigable

(a) Persisting tirelessly.

indictment

(n) A formal charge or accusation of a serious crime.

indignant

(a) Feeling or showing anger or annoyance at what is perceived as unfair treatment.

indomitable

(a) Impossible to subdue or defeat.

industrious

(a) Diligent and hard-working.

ineffable

(a) Too great or extreme to be expressed in words.

ineluctable

(a) Inevitable.

inestimable

(a) Too great to calculate.

inexorable

(a) Impossible to stop or prevent.

infinitesimal

(a) Extremely small.

influx

(n) An arrival or entry of large numbers of people or things.

ingenious

(a) Clever, original, and inventive.

ingenuous

(a) Innocent and unsuspecting.

ingrained

(a) Firmly fixed or established; difficult to change.

ingratiate

(v) Bring oneself into favor with someone by flattery.

inimical

(a) Tending to obstruct or harm;

unfriendly; hostile

inimitable

(a) So good or unusual as to be impossible to copy; unique.

inordinate

(a) Unusual or disproportionate in amount.

inscrutable

(a) Impossible to understand or interpret.

insinuate

(v) To suggest or hint something bad in an indirect and unpleasant way.

insipid

(a) Lacking flavor or interest.

insolence

(n) Rude and disrespectful behavior.

insular

(a) Ignorant of or uninterested in cultures, ideas, or peoples outside one's own experience.

interloper

(n) A person who becomes involved in a place or situation where they are unwelcome.

intimate

(a) Closely acquainted; familiar.

intrepid

(a) Fearless; adventurous.

inundated

(a) Overwhelmed with things or people to be dealt with.

inveigh

(v) To speak or write about something with great hostility.

inveigle

(v) To persuade someone to do something by means of deception or flattery.

invidious

(a) Likely to arouse resentment in others.

inviolate

(a) Free or safe from injury or violation.

irascible

(a) Having or showing a tendency to be easily angered.

ironic

(a) Using words to express something other than their literal meaning; often opposite of what is expected.

irresolute

(a) Uncertain; indecisive; wavering in purpose.