100 SAT Words Beginning with “I” – 100 Words

iconoclast

someone who attacks cherished ideas or institutions

Jobs is a classic iconoclast, one who aggressively seeks out, attacks, and overthrows conventional ideas.BusinessWeek (Oct 12, 2010)
idealistic

of high moral or intellectual value

Instructors, of all levels, are fundamentally idealistic people, motivated by a passion for helping the world’s young billions achieve their human potential.Forbes (Jan 24, 2012)
ideological

concerned with or suggestive of ideas

What was once an ideological abstraction — “austerity” — will have very real effects on everyday life for average Americans.Washington Post (Jul 30, 2011)
idiom

expression whose meaning cannot be inferred from its words

“Hand down, man down,” he said, repeating a favorite Jackson broadcasting idiom at a news conference Monday to introduce the Warriors’ rookies for next season.New York Times (Jun 29, 2011)
idiosyncrasy

a behavioral attribute peculiar to an individual

My roles in independent films have been fuller, chockablock with all sorts of human idiosyncrasies, kinks and foibles of humanity.
idle

silly or trivial

“Sure, sir, they can know nothing about it; it’s just idle talk, and no more.”Lever, Charles James
idyllic

charmingly simple and serene

The scene of this charming, idyllic love story is laid in Central Indiana.Davis, Owen
ignominious

deserving or bringing disgrace or shame

The sentence passed upon them is that they die a shameful and ignominious death.Hodgson, Edward S.
illustrious

widely known and esteemed

The Trumbull family was the most illustrious in the state, embracing three governors and other distinguished men.White, Horace
imbibe

take in liquids

For that little beast, having a severe cold, was given whisky-and-milk one day, and, imbibing too freely, became absolutely drunk.Casserly, Gordon
imbroglio

an intricate and confusing interpersonal situation

And indeed his world is one huge imbroglio of Potentialities and Diplomatic Intricacies, agitating to behold.Carlyle, Thomas
imminent

close in time; about to occur

He perceived the danger which he had so long warded off now instant and imminent.Rosebery, Archibald Phillip Primrose
impaired

diminished in strength, quality, or utility

“Thinking could be slowed, attention dulled, judgement impaired, memory muddled.”Washington Post (Mar 12, 2012)
impartial

free from undue bias or preconceived opinions

“We are looking for people who can serve as fair, objective and impartial jurors.”Washington Post (Sep 14, 2011)
impasse

a situation in which no progress can be made

Unfortunately success also depends on an end to the impasse between America and China, whose trade relations seem stuck.
impecunious

not having enough money to pay for necessities

It had been quite in keeping with his ideas that the Thornes should taste the bitters of poverty, and know what being impecunious really meant.Fenn, George Manville
impediment

something immaterial that interferes with action or progress

He identified several chronic impediments to long-term progress in Brazil, too, including high tax rates, deficient transportation and other infrastructure and a poor education system.New York Times (Apr 7, 2012)
impending

close in time; about to occur

Davis immediately began preparing food and snacks for his wife’s impending arrival.New York Times (Jul 23, 2011)
imperative

requiring attention or action

Though always important, safety becomes imperative when children are involved.
imperceptible

impossible or difficult to sense

Only a faint, almost imperceptible tinge remained of the ink stains on her face.Wells, Carolyn
imperious

having or showing arrogant superiority

He was known as an imperious boss with little patience for weakness, one who launched blistering tirades that left subordinates fuming, or in tears.Chicago Tribune (Oct 6, 2011)
impetuous

marked by violent force

There are times when all these Yorkshire rivers become impetuous torrents, roaring along in resistless might and majesty.White, Walter
implicit

being without doubt or reserve

He was accustomed to implicit obedience and was not used to seeing men smile when he uttered a threat.Marshall, Edison
implode

burst inward

As the graph shows, growth actually slowed and then the whole system imploded into a catastrophic crisis.
implore

call upon in supplication

The poor woman continued to implore mercy; and coming nearer to the Lord, “She fell down and worshipped him, saying, Lord, help me!”Ross, Lady Mary
imply

express or state indirectly

Smoothing planes are, as the name implies, used to simply smoothen the work surface after it has been trued.Rose, Joshua
impregnable

incapable of being attacked or tampered with

At the same time, the United States would be safeguarded against internal dangers and made impregnable against attack or invasion by any foreign power.Maxwell, George Hebard
impromptu

without advance preparation

Bauer proposed to Shourd while both were in prison, fashioning an impromptu ring out of threads from his shirt.Washington Post (Nov 14, 2011)
impudence

the trait of being rude and impertinent

Ichikawa conceded that his “arrogance and impudence” may have brought on the attack, adding: “I won’t feel like having a drink for a while.”
impunity

exemption from punishment or loss

According to Amnesty, some groups of former rebels are committing human rights violations with impunity, unchecked by the interim government.
inalienable

not subject to forfeiture

Men’s natural rights are all inherent and inalienable; and therefore cannot be parted with, or delegated, by one person to another.Spooner, Lysander
inane

devoid of intelligence

And then, again, his asking me his stupid, inane questions, as if I cared what man, and how many.Hutcheson, John C. (John Conroy)
inanimate

belonging to the class of nouns denoting nonliving things

The moment when the first living beings arose from inanimate matter almost four billion years ago is still shrouded in mystery.Scientific American (Oct 10, 2011)
inaugurate

commence officially

Continental has ordered 25 Dreamliners and plans to inaugurate them in November 2011 on new, nonstop flights to Auckland, New Zealand, and Lagos, Nigeria.New York Times (Aug 25, 2010)
incarnation

time passed in a particular bodily form

When America Online came out, that was a very early incarnation of social networking with the instant messaging.
incendiary

a criminal who illegally sets fire to property

While there the depot was set on fire and burned down, supposed to be the work of an incendiary.Terrill, J. Newton
inception

an event that is a beginning

They were confident this week, eager to show how much improvement the league has made since its inception in 1996.Seattle Times (Jul 29, 2010)
inchoate

only partly in existence; imperfectly formed

“But when the law is unsettled, inchoate, undeveloped, let’s say, it’s natural that judges’ political, social and economic views will shape how they see things.”New York Times (Dec 16, 2010)
incipient

only partly in existence; imperfectly formed

As yet, it is in an incipient stage of development and has by no means revealed its full power for evil.Clark, John Bates
incite

provoke or stir up

He was arrested on charges including inciting a riot and disorderly conduct.Seattle Times (Jun 16, 2011)
inclement

severe, of weather

Check with your business’s insurance policy to make sure it covers any accidents on company property caused by inclement weather conditions.
incognito

without revealing one’s identity

Hitherto their security has depended on keeping up their incognito by disguises, and the secrecy of their camping place.Reid, Mayne
incompetent

not qualified or suited for a purpose

The common people, especially in the villages, know nothing at all of Christian doctrine; and many pastors are quite unfit and incompetent to teach.Just, Gustav
inconspicuous

not prominent or readily noticeable

Unless Socapa Castle, therefore, is so small and inconspicuous as to have escaped my notice, it must have fallen into ruins or been destroyed.Kennan, George
incorrigible

impervious to correction by punishment

There are some, however, who maintain that the criminal is incorrigible and that reformatory agencies have invariably failed.Kayll, James Leslie Allan
incredulous

not disposed or willing to believe; unbelieving

She looked puzzled, half incredulous and perplexed, inclined to smile, blushing somewhat, and all uncertain.Black, William
increment

the amount by which something increases

The plan also called for quoting prices in decimals, doing away with the one-eighth increments that had long defined Wall Street math.
incumbent

the official who holds an office

The Democratic incumbent faces no serious primary challenge and his re-election campaign already is well under way.Time (Mar 25, 2012)
indelible

not able to be removed or erased

The paints were not indelible, consequently they could be easily removed and another application made as circumstances required.Collins, Dennis
indemnity

protection against future loss

They should pay an indemnity to the state of Guatemala, not just apologize.”New York Times (Oct 2, 2010)
indenture

bind by a contract for work, as an apprentice or servant

Beneath both these classes were the indentured servants, a few of whom were men of ability forced to pay their passage by service.Commons, John R. (John Rogers)
indifferent

marked by a lack of interest

He leant back in his chair, outwardly indifferent and calm, but throbbing in every nerve and pulse with wild excitement.Gull, Cyril Arthur Edward Ranger
indigenous

originating where it is found

These deer are not indigenous, but were introduced by the Romans, probably from Asia Minor; and are, as at home, more or less private property.Buck, Walter J.
indigent

poor enough to need help from others

Tarkowski declared himself indigent, and said he could not pay the fines, according to news reports.
indignant

angered at something unjust or wrong

In Spain throngs of young people, known as “the indignant ones,” occupied public plazas nationwide, protesting unemployment and exclusionary politics.Forbes (Sep 7, 2011)
indomitable

impossible to subdue

“The very heart of the city was burned out, but nothing could extinguish its indomitable spirit.”Mitchell, Broadus
ineffable

defying expression or description

He had asked questions—never in the form of words but only ineffable yearnings of his soul—and at last it had responded.Marshall, Edison
inevitable

incapable of being avoided or prevented

“Yes,” she repeated more faintly, as though this was all natural, inevitable, expected.Blackwood, Algernon
inexorable

not to be placated or appeased or moved by entreaty

He urged, entreated, commanded in vain, Mrs. Fortescue was inexorable.Aguilar, Grace
infamous

known widely and usually unfavorably

This one line in President George W. Bush’s 2003 State of the Union address overshadowed all the others, becoming infamously known as the “16 words.”
infinitesimal

immeasurably small

Within an infinitesimal period of time, a period too brief to be calculable, both hemispheres are again acting in unison.Ottolengui, Rodrigues
infirmity

the state of being weak in health or body

Such are death, old age, physical infirmity, loss of worldly honor, final impenitence.Rameur, E.
inflammatory

arousing to action or rebellion

After being fired, Ms. Bartz gave an inflammatory interview to Fortune magazine in which she used an expletive and called Yahoo’s board “doofuses.”New York Times (Sep 12, 2011)
infringe

go against, as of rules and laws

He said the order was unlawful and infringed on officers’ rights.
ingratiate

gain favor with somebody by deliberate efforts

Yeah, well… I’ve seen eyes narrow and ears go back at first meetings — even when I’m trying to be humble, ingratiating and likable.New York Times (Nov 30, 2010)
inherent

existing as an essential constituent or characteristic

Action and reaction are, according to him, essential inherent properties of brain matter as such, but consciousness is merely a dependent.Williams, C. M.
iniquity

absence of moral or spiritual values

“I have loved justice and hated iniquity,” he said in dying, “therefore I die in exile.”Norway, Arthur H.
innate

not established by conditioning or learning

In other words, one of our most essential abilities as humans–reading–is the product of a combination of innate and learned traits.
innocuous

lacking intent or capacity to injure

Yet in confinement, he was docile, compliant and innocuous, they said.New York Times (Oct 31, 2011)
innovative

being like nothing done or experienced or created before

On display are examples of artists using traditional subjects — portraits, landscapes, still lifes — in ways that were new, innovative, and sometimes shocking, at the time.Washington Post (Oct 14, 2011)
innuendo

an indirect and usually malicious implication

As a genuine Irishman he never used an immodest word, or by gesture, phrase, or innuendo suggested an impure thought.Various
insatiable

impossible to satisfy

The site branched into movies, foreign cartoons, news programs — anything to feed viewers’ insatiable appetite.New York Times (Jul 23, 2011)
inscrutable

difficult or impossible to understand

Hearing these words, Nabu-Nahid’s face assumed an expression that was unexpectedly complex—a little inscrutable, indeed.Potter, Margaret Horton
insidious

working or spreading in a hidden and usually injurious way

Its onset is usually insidious, gradually worsening over years and thus easily ignored.New York Times (Jan 16, 2012)
insolent

marked by casual disrespect

Insolent laughter and mocking shouts were the answer he received.J?kai, M?r
insolvent

unable to meet or discharge financial obligations

In common parlance, bankruptcy is often used more casually, to mean something like broke or insolvent.New York Times (Sep 2, 2011)
insouciant

marked by unconcern

I rattled on, insouciant and careless to all appearances, but in reality my heart like lead.Travis, Stuart
insubordination

defiance of authority

“What Keble hated instinctively,” says Newman, “was heresy, insubordination, resistance to things established, claims of independence, disloyalty, innovation, a critical and censorious spirit.”Benson, Arthur Christopher
insular

suggestive of the isolated life of an island

Describing the tour as “an insular, introverted, isolated world,” Wright said she found no relief during her too-brief trips home.New York Times (Mar 30, 2012)
insuperable

incapable of being surpassed or excelled

His life is an insuperable force, vivid, inviolable and free, which my heart out of sheer love of him failed to recognize.Marx, Magdeleine
insurgent

a person who takes part in an armed insurrection

Clashes broke out between the insurgents and government troops in June, with both sides blaming the other for provoking the violence.
insurrection

organized opposition to authority

More than a decade of civil war left thousands dead after separatists on Bougainville Island began an armed insurrection in 1989.New York Times (Dec 13, 2011)
intact

undamaged in any way

Questions were raised about the quality of construction in the area, with some buildings having remained completely intact while those next door were destroyed.New York Times (Oct 26, 2011)
intangible

incapable of being perceived by the senses, especially touch

I thought they were all clouds—beautiful, airy intangible shapes.Waddington, Mary Alsop King
inter

place in a grave or tomb

He was interred with due military honors in a cemetery near his home in Jersey City.Various
interdict

a court order prohibiting a party from a certain activity

Out-of-door life is interdicted, so to speak; gaiety is out of the question; everything predisposes to industry and thought.O’Rell, Max
interim

serving during an intermediate interval of time

Chief Financial Officer Anthony Vuolo will serve as interim CEO while the company looks for a permanent replacement.Washington Post (Jan 10, 2012)
interject

insert between other elements

Indeed, the book is like an endless string of pearls, with here and there a ruby, a diamond, or a bit of honest glass interjected.Ballou, Maturin Murray
interloper

someone who intrudes on the privacy or property of another

We look upon them somewhat as interlopers, parasites, occupying a place to which they have no legitimate right.Various
interminable

tiresomely long; seemingly without end

This duration is eternity: an interminable duration existing all together.Coffey, Peter
intimation

an indirect suggestion

Saul flinched before the concealed intimation in the words.Miller, Elizabeth
intransigent

impervious to pleas, persuasion, requests, or reason

Cuba’s response to recent US efforts to improve relations had revealed “an intransigent, entrenched regime” in Havana, said the US secretary of state.BBC (Apr 10, 2010)
intrepid

invulnerable to fear or intimidation

He must be intrepid, persisting through danger to death, laboring for religious truth, neither precipitating peril by audacity nor shrinking from it through timidity.Lea, Henry Charles
intrinsic

belonging to a thing by its very nature

Roughly speaking, some Christian thinkers believe animals have intrinsic rights to be treated well, like people.New York Times (Oct 14, 2011)
introspective

given to examining own sensory and perceptual experiences

Some of these artists do show an introspective side, reaching inward to confess their dreams, and what innocent dreams they are.
inundated

covered with water

The baffled water stopped, as if reflecting; then it turned back, and rose till it poured over its banks and inundated the fields.Aksakov, S. T. (Sergei Timofeevich)
inverse

opposite in nature or effect or relation to another quantity

Others showed an inverse relationship, with their activity declining as the value increased.
irrelevant

having no bearing on or connection with the subject at issue

His views are irrelevant – he’s a tudor historian talking about contemporary urban unrest.New York Times (Aug 13, 2011)
irreverent

showing lack of due respect or veneration

His humour was cheeky, irreverent, subversive and most definitely not politically correct.
itinerant

traveling from place to place to work

The interest extending widely beyond his parish, he spent part of his time in itinerant preaching, going several hundred miles and in every direction.Campbell, Charles

بازی یادگیری زبان انگلیسی