ISEE Vocab Prep I-K

iconoclast

One who attacks common beliefs or institutions.

idolatrous

Excessively worshipping one object or person.

ignominious

Humiliating, disgracing.

illicit

Forbidden, not permitted.

impecunious

Poor.

impertinent

Rude, insolent.

impetuous

Rash; hastily done.

impinge

To impact, affect, make an impression.

impregnable

Resistant to capture or penetration.

impute

To ascribe, blame.

inane

Silly and meaningless.

incarnate

Existing in the flesh, embodied.

incessant

Unending.

inchoate

Unformed or formless, in a beginning stage.

incorrigible

Incable of correction, delinquent.

indefatigable

Incapable of defeat, failure, decay.

indignation

Anger sparked by something unjust or unfair.

inimical

Hostile, enemy like.

innocuous

Harmless, inoffensive.

innuendo

An insinuation.

inoculate

To introduce a microorganism, serum, or vaccine into an organism to increase immunity.

insidious

Appealing but imperceptibly harmful, seductive.

insular

Separated and narrow-minded; tight-knit, closed off.

intimation

An indirect suggestion.

intransigent

Refusing to compromise, often on an extreme opinion.

inure

To cause someone to become accustomed to a situation.

invective

An angry verbal attack.

irascible

Easily angered.

iridescent

Showing rainbow colors.

knell

The solemn sound of a bell, often indicating a death.