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SAT Vocab I-K

Terms

undefined, object
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junction
n. The condition of being joined.
journalize
v. To keep a diary.
juncture
n. An articulation, joint, or seam.
intelligence
n. Capacity to know or understand.
incompatible
adj. Discordant.
jaundice
n. A morbid condition, due to obstructed excretion of bile or characterized by yellowing of the skin.
interlocutor
n. One who takes part in a conversation or oral discussion.
incomprehensible
adj. Not understandable.
irk
v. To afflict with pain, vexation, or fatigue.
illicit
adj. Unlawful.
intelligible
adj. Comprehensible.
inquisitive
adj. Given to questioning, especially out of curiosity.
ill-natured
adj. Surly.
influential
adj. Having the power to sway the will of another.
Iliad
n. A Greek epic poem describing scenes from the siege of Troy.
impracticable
adj. Not feasible.
incitement
n. That which moves to action, or serves as an incentive or stimulus.
knead
v. To mix and work into a homogeneous mass, especially with the hands.
intrinsic
adj. Inherent.
judiciary
n. That department of government which administers the law relating to civil and criminal justice.
imaginary
adj. Fancied.
inverse
adj. Contrary in tendency or direction.
inherence
n. The state of being permanently existing in something.
inevitable
adj. Unavoidable.
jubilation
n. Exultation.
inherent
adj. Intrinsic.
interact
v. To act reciprocally.
incipient
adj. Initial.
intestacy
n. The condition resulting from one's dying not having made a valid will.
impolitic
adj. Inexpedient.
insistence
n. Urgency.
irrepressible
adj. That can not be restrained or kept down.
inwardly
adv. With no outward manifestation.
indomitable
adj. Unconquerable.
indistinct
adj. Vague.
incapacity
n. Want of power to apprehend, understand, and manage.
inadvisable
adj. Unadvisable.
infrequence
n. Rareness.
infinity
n. Boundless or immeasurable extension or duration.
inceptive
adj. Beginning.
inane
adj. Silly.
intellectual
adj. Characterized by intelligence.
invalid
adj. Having no force, weight, or cogency.
intrusion
n. The act of entering without warrant or invitation; encroachment.
interrogatory
n. A question or inquiry.
insomnia
n. Sleeplessness.
implicit
adj. Implied.
invalidate
v. To render of no force or effect.
insidious
adj. Working ill by slow and stealthy means.
iridescent
adj. Exhibiting changing rainbow-colors due to the interference of the light.
jurisdiction
n. Lawful power or right to exercise official authority.
impetus
n. Any impulse or incentive.
investor
n. One who invests money.
itinerate
v. To wander from place to place.
inarticulate
adj. Speechless.
inexpedient
adj. Unadvisable.
inestimable
adj. Above price.
inexhaustible
adj. So large or furnishing so great a supply as not to be emptied, wasted, or spent.
indigenous
adj. Native.
inquisitor
n. One who makes an investigation.
immaculate
adj. Without spot or blemish.
inexpressible
adj. Unutterable.
indolent
adj. Habitually inactive or idle.
intimidate
v. To cause to become frightened.
irony
n. Censure or ridicule under cover of praise or compliment.
joust
v. To engage in a tilt with lances on horseback.
inkling
n. A hint.
kiloliter
n. One thousand liters.
inundate
v. To fill with an overflowing abundance.
kerchief
n. A square of linen, silk, or other material, used as a covering for the head or neck.
indulgence
n. The yielding to inclination, passion, desire, or propensity in oneself or another.
Jingo
n. One of a party in Great Britain in favor of spirited and demonstrative foreign policy.
inadvertent
adj. Accidental.
incoherent
adj. Not logically coordinated, as to parts, elements, or details.
judicial
adj. Pertaining to the administration of justice.
indignant
adj. Having such anger and scorn as is aroused by meanness or wickedness.
kiln
n. An oven or furnace for baking, burning, or drying industrial products.
intercept
v. To interrupt the course of.
indiscernible
adj. Not perceptible.
illusory
adj. Deceiving or tending to deceive, as by false appearance.
indestructible
adj. That can not be destroyed.
judicious
adj. Prudent.
infirmary
n. A place for the reception or treatment of the sick.
impermissible
adj. Not permissible.
imperative
adj. Obligatory.
inhuman
adj. Savage.
infirm
adj. Lacking in bodily or mental strength.
inborn
adj. Implanted by nature.
intestate
adj. Not having made a valid will.
impartial
adj. Unbiased.
insuperable
adj. Invincible.
irrigate
v. To water, as land, by ditches or other artificial means.
impend
v. To be imminent.
inimical
adj. Adverse.
incidentally
adv. Without intention.
illusive
adj. Deceptive.
invert
v. To turn inside out, upside down, or in opposite direction.
impudence
n. Insolent disrespect.
jargon
n. Confused, unintelligible speech or highly technical speech.
invoke
v. To call on for assistance or protection.
intersect
v. To cut through or into so as to divide.
impulsion
n. Impetus.
juvenile
adj. Characteristic of youth.
justification
n. Vindication.
indigent
adj. Poor.
irreligious
adj. Indifferent or opposed to religion.
imitator
n. One who makes in imitation.
intangible
adj. Not perceptible to the touch.
incipience
n. Beginning.
itinerant
adj. Wandering.
intermission
n. A recess.
impiety
n. Irreverence toward God.
incandescence
n. The state of being white or glowing with heat.
imminent
adj. Dangerous and close at hand.
impersonate
v. To appear or act in the character of.
irreverence
n. The quality showing or expressing a deficiency of veneration, especially for sacred things.
impunity
n. Freedom from punishment.
immune
adj. Exempt, as from disease.
jurisprudence
n. The science of rights in accordance with positive law.
iota
n. A small or insignificant mark or part.
infuse
v. To instill, introduce, or inculcate, as principles or qualities.
inflammation
n. A morbid process in some part of the body characterized by heat, swelling, and pain.
infrequent
adj. Uncommon.
icily
adv. Frigidly.
incompetence
n. General lack of capacity or fitness.
indolence
n. Laziness.
insolent
adj. Impudent.
immortalize
v. To cause to last or to be known or remembered throughout a great or indefinite length of time.
inhibit
v. To hold back or in.
juggle
v. To play tricks of sleight of hand.
immeasurable
adj. Indefinitely extensive.
iridescence
n. A many-colored appearance.
irreverential
adj. Showing or expressing a deficiency of veneration, especially for sacred things.
ichthyic
adj. Fish-like.
invincible
adj. Not to be conquered, subdued, or overcome.
incentive
n. That which moves the mind or inflames the passions.
imperturbable
adj. Calm.
imperil
v. To endanger.
impoverish
v. To make indigent or poor.
irreparable
adj. That can not be rectified or made amends for.
inexperience
n. Lack of or deficiency in experience.
irrefragable
adj. That can not be refuted or disproved.
irate
adj. Moved to anger.
insatiable
adj. That desires or craves immoderately or unappeasably.
implausible
adj. Not plausible.
inbred
adj. Innate.
incoherence
n. Want of connection, or agreement, as of parts or ideas in thought, speech, etc.
itinerary
n. A detailed account or diary of a journey.
incite
v. To rouse to a particular action.
kilowatt
n. One thousand watts.
kilometer
n. A length of 1,000 meters.
intermediate
adj. Being in a middle place or degree or between extremes.
infirmity
n. A physical, mental, or moral weakness or flaw.
inaccurate
adj. Not exactly according to the facts.
knavery
n. Deceitfulness in dealing.
ichthyosaurs
n. A fossil reptile.
indelible
adj. That can not be blotted out, effaced, destroyed, or removed.
ingratiate
v. To win confidence or good graces for oneself.
innuendo
n. Insinuation.
introspect
v. To look into.
incompressible
adj. Resisting all attempts to reduce volume by pressure.
infamous
adj. Publicly branded or notorious, as for vice, or crime.
inefficiency
n. That which does not accomplish an intended purpose.
insignificant
adj. Without importance, force, or influence.
impersuadable
adj. Unyielding.
inconceivable
adj. Incomprehensible.
inexorable
adj. Unrelenting.
ineligible
adj. Not suitable to be selected or chosen.
judicature
n. Distribution and administration of justice by trial and judgment.
indicator
n. One who or that which points out.
juridical
adj. Assumed by law to exist.
integrity
n. Uprightness of character and soundness of moral principle.
introversion
n. The act of turning or directing inward, physically or mentally.
imminence
n. Impending evil or danger.
inveterate
adj. Habitual.
irksome
adj. Wearisome.
infinite
adj. Measureless.
knight
errant n. One of the wandering knights who in the middle ages went forth in search of adventure.
joggle
n. A sudden irregular shake or a push causing such a shake.
infallible
adj. Exempt from error of judgment, as in opinion or statement.
inert
adj. Inanimate.
indescribable
adj. That can not be described.
impervious
adj. Impenetrable.
immovable
adj. Steadfast.
irreverent
adj. Showing or expressing a deficiency of veneration, especially for sacred things.
incessant
adj. Unceasing.
interpolation
n. Verbal interference.
juxtapose
v. To place close together.
intension
n. The act of stringing or stretching, or state of being strained.
inflammable
adj. Easily set on fire or excited.
inlet
n. A small body of water leading into a larger.
impromptu
n. Anything done or said on the impulse of the moment.
impugn
v. To assail with arguments, insinuations, or accusations.
inebriate
v. To intoxicate.
illogical
adj. Contrary to the rules of sound thought.
instructive
adj. Conveying knowledge.
innocuous
adj. Harmless.
influence
n. Ability to sway the will of another.
insular
adj. Pertaining to an island.
interim
n. Time between acts or periods.
indulgent
adj. Yielding to the desires or humor of oneself or those under one's care.
incisor
n. A front or cutting tooth.
immoral
adj. Habitually engaged in licentious or lewd practices.
inmost
adj. Deepest within.
inference
n. The derivation of a judgment from any given material of knowledge on the ground of law.
inchoate
adj. Incipient.
innumerable
adj. Countless.
infest
v. To be present in such numbers as to be a source of annoyance, trouble, or danger.
isolate
v. To separate from others of its kind.
induct
v. To bring in.
irrational
adj. Not possessed of reasoning powers or understanding.
insight
n. Intellectual discernment.
insufficiency
n. Inadequacy.
intensive
adj. Adding emphasis or force.
inveigh
v. To utter vehement censure or invective.
insensible
adj. Imperceptible.
incomplete
adj. Lacking some element, part, or adjunct necessary or required.
impure
adj. Tainted.
introspection
n. The act of observing and analyzing one's own thoughts and feelings.
imbibe
v. To drink or take in.
indefensible
adj. Untenable.
intricate
adj. Difficult to follow or understand.
irrigant
adj. Serving to water lands by artificial means.
intermittent
adj. A temporary discontinuance.
involution
n. Complication.
insignificance
n. Lack of import or of importance.
innovate
v. To introduce or strive to introduce new things.
inanimate
adj. Destitute of animal life.
indiscriminate
adj. Promiscuous.
incontrovertible
adj. Indisputable.
intuition
n. Instinctive knowledge or feeling.
initiate
v. To perform the first act or rite.
invigorate
v. To animate.
inject
v. To introduce, as a fluid, by injection.
intention
n. That upon which the mind is set.
inception
n. The beginning.
instill
v. To infuse.
indigestion
n. Difficulty or failure in the alimentary canal in changing food into absorptive nutriment.
inroad
n. Forcible encroachment or trespass.
illiterate
adj. Having little or no book-learning.
importune
v. To harass with persistent demands or entreaties.
interrogative
adj. Having the nature or form of a question.
insistent
adj. Urgent.
instantaneous
adj. Done without perceptible lapse of time.
imitation
n. That which is made as a likeness or copy.
indicant
adj. That which points out.
irrelevant
adj. Inapplicable.
iniquity
n. Gross wrong or injustice.
instigate
v. To provoke.
impassive
adj. Unmoved by or not exhibiting feeling.
indispensable
adj. Necessary or requisite for the purpose.
importunate
adj. Urgent in character, request, or demand.
inglorious
adj. Shameful.
intercessor
n. A mediator.
invidious
adj. Showing or feeling envy.
insecure
adj. Not assured of safety.
ingenuity
n. Cleverness in contriving, combining, or originating.
insufficient
adj. Inadequate for some need, purpose, or use.
imperfectible
adj. That can not be perfected.
jocose
adj. Done or made in jest.
jugglery
n. The art or practice of sleight of hand.
illimitable
adj. Boundless.
illusion
n. An unreal image presented to the senses.
intemperance
n. Immoderate action or indulgence, as of the appetites.
intolerant
adj. Bigoted.
infidelity
n. Disloyalty.
indict
v. To find and declare chargeable with crime.
impertinence
n. Rudeness.
influx
n. Infusion.
interpose
v. To come between other things or persons.
injunction
n. Mandate.
impetuous
adj. Impulsive.
immersion
n. The act of plunging or dipping entirely under water or another fluid.
invasion
n. Encroachment, as by an act of intrusion or trespass.
juror
n. One who serves on a jury or is sworn in for jury duty in a court of justice.
inapprehensible
adj. Not to be understood.
interposition
n. A coming between.
interlude
n. An action or event considered as coming between others of greater length.
invulnerable
adj. That can not be wounded or hurt.
irritate
v. To excite ill temper or impatience in.
insolence
n. Pride or haughtiness exhibited in contemptuous and overbearing treatment of others.
insipid
adj. Tasteless.
inaudible
adj. That can not be heard.
interdict
n. Authoritative act of prohibition.
immiscible
adj. Separating, as oil and water.
inadequate
adj. Insufficient.
jugular
adj. Pertaining to the throat.
immature
adj. Not full-grown.
irrefrangible
adj. That can not be broken or violated.
kinsfolk
n. pl. Relatives.
inquire
v. To ask information about.
invaluable
adj. Exceedingly precious.
imprudent
adj. Heedless.
intramural
adj. Situated within the walls of a city.
immigrant
n. A foreigner who enters a country to settle there.
ingraft
v. To set or implant deeply and firmly.
infringe
v. To trespass upon.
instance
n. A single occurrence or happening of a given kind.
immutable
adj. Unchangeable.
intrepid
adj. Fearless and bold.
insinuate
v. To imply.
impede
v. To be an obstacle or to place obstacles in the way of.
introductory
adj. Preliminary.
improvident
adj. Lacking foresight or thrift.
inactive
adj. Inert.
invariable
adj. Unchangeable.
inaccessible
adj. Difficult of approach.
impulsive
adj. Unpremeditated.
incoercible
adj. Incapable of being forced, constrained, or compelled.
inconsiderable
adj. Small in quantity or importance.
incinerate
v. To reduce to ashes.
intolerance
n. Inability or unwillingness to bear or endure.
impassable
adj. That can not be passed through or over.
incapacitate
v. To deprive of power, capacity, competency, or qualification.
iconoclast
n. An image-breaker.
irresistible
adj. That can not be successfully withstood or opposed.
impassible
adj. Not moved or affected by feeling.
idealize
v. To make to conform to some mental or imaginary standard.
inconstant
adj. Changeable.
incongruous
adj. Unsuitable for the time, place, or occasion.
juicy
adj. Succulent.
impatience
n. Unwillingness to brook delays or wait the natural course of things.
irritancy
n. The quality of producing vexation.
impetuosity
n. Rashness.
interpreter
n. A person who makes intelligible the speech of a foreigner by oral translation.
intoxicate
v. To make drunk.
irritable
adj. Showing impatience or ill temper on little provocation.
involve
v. To draw into entanglement, literally or figuratively.
irruption
n. Sudden invasion.
kingling
n. A petty king.
impious
adj. Characterized by irreverence or irreligion.
intercession
n. Entreaty in behalf of others.
interrupt
v. To stop while in progress.
isochronous
adj. Relating to or denoting equal intervals of time.
jocular
adj. Inclined to joke.
impregnate
v. To make pregnant.
insentient
adj. Lacking the power of feeling or perceiving.
impersonal
adj. Not relating to a particular person or thing.
inviolable
adj. Incapable of being injured or disturbed.
incombustible
adj. That can not be burned.
inefficient
adj. Not accomplishing an intended purpose.
introgression
n. Entrance.
inundation
n. Flood.
impotent
adj. Destitute of or lacking in power, physical, moral, or intellectual.
inscrutable
adj. Impenetrably mysterious or profound.
impute
v. To attribute.
insuppressible
adj. Incapable of being concealed.
inland
adj. Remote from the sea.
ingenious
adj. Evincing skill, originality, or cleverness, as in contrivance or arrangement.
inventive
adj. Quick at contrivance.
icon
n. An image or likeness.
idiom
n. A use of words peculiar to a particular language.
intrigue
n. A plot or scheme, usually complicated and intended to accomplish something by secret ways.
ignominious
adj. Shameful.
inept
adj. Not fit or suitable.
introvert
v. To turn within.
idolize
v. To regard with inordinate love or admiration.
ingenuous
adj. Candid, frank, or open in character or quality.
impregnable
adj. That can not be taken by assault.
insurgence
n. Uprising.
infusion
n. The act of imbuing, or pouring in.
insurrection
n. The state of being in active resistance to authority.
immense
adj. Very great in degree, extent, size, or quantity.
interminable
adj. Having no limit or end.
invective
n. An utterance intended to cast censure, or reproach.
immerse
v. To plunge or dip entirely under water or other fluid.
invalid
n. One who is disabled by illness or injury.
inhume
v. To place in the earth, as a dead body.
impeccable
adj. Blameless.
infamy
n. Total loss or destitution of honor or reputation.
imbrue
v. To wet or moisten.
isle
n. An island.
inexplicable
adj. Such as can not be made plain.
imperceptible
adj. Indiscernible.
inflexible
adj. That can not be altered or varied.
intervene
v. To interfere for some end.
interrogate
v. To examine formally by questioning.
impecunious
adj. Having no money.
inedible
adj. Not good for food.
incarcerate
v. To imprison.
ineffable
adj. Unutterable.
inversion
n. Change of order so that the first shall become last and the last first.
irreversible
adj. Irrevocable.
illuminant
n. That which may be used to produce light.
jovial
adj. Merry.
inconvenient
adj. Interfering with comfort or progress.
importation
n. The act or practice of bringing from one country into another.
implicate
v. To show or prove to be involved in or concerned
insurgent
n. One who takes part in forcible opposition to the constituted authorities of a place.
illumine
v. To make bright or clear.
imaginable
adj. That can be imagined or conceived in the mind.
imply
v. To signify.
indiscreet
adj. Lacking wise judgment.
kingship
n. Royal state.
incendiary
n. Chemical or person who starts a fire-literally or figuratively.
indivertible
adj. That can not be turned aside.
illegal
adj. Not according to law.
inconsequential
adj. Valueless.
indivisible
adj. Not separable into parts.
investigator
n. One who investigates.
jeopardize
v. To imperil.
insulate
v. To place in a detached state or situation.
isothermal
adj. Having or marking equality of temperature.
intercede
v. To mediate between persons.
impel
v. To drive or urge forward.
incomparable
adj. Matchless.
intricacy
n. Perplexity.
idiosyncrasy
n. A mental quality or habit peculiar to an individual.
irradiance
n. Luster.
intermit
v. To cause to cease temporarily.
indignity
n. Unmerited contemptuous conduct or treatment.
inseparable
adj. That can not be separated.
intervale
n. A low tract of land between hills, especially along a river.
illegible
adj. Undecipherable.
judgment
n. The faculty by the exercise of which a deliberate conclusion is reached.
infernal
adj. Akin to or befitting hell or its occupants.
indigestible
adj. Not digestible, or difficult to digest.
irresponsible
adj. Careless of or unable to meet responsibilities.
incidence
n. Casual occurrence.
imbroglio
n. A misunderstanding attended by ill feeling, perplexity, or strife.
indefinitely
adv. In a vague or uncertain way.
intromit
v. To insert.
ire
n. Wrath.
inadmissible
adj. Not to be approved, considered, or allowed, as testimony.
improper
adj. Not appropriate, suitable, or becoming.
ichthyology
n. The branch of zoology that treats of fishes.
incident
n. A happening in general, especially one of little importance.
irritant
n. A mechanical, chemical, or pathological agent of inflammation, pain, or tension.
inexcusable
adj. Not to be justified.
intracellular
adj. Occurring or situated within a cell.
ingredient
n. Component.
inconsistent
adj. Contradictory.
junta
n. A council or assembly that deliberates in secret upon the affairs of government.
intimacy
n. Close or confidential friendship.
ingratitude
n. Insensibility to kindness.
intoxicant
n. Anything that unduly exhilarates or excites.
impair
v. To cause to become less or worse.
inexpensive
adj. Low-priced.
infidel
n. One who denies the existence of God.
keepsake
n. Anything kept or given to be kept for the sake of the giver.
illuminate
v. To supply with light.
inapt
adj. Awkward or slow.
kimono
n. A loose robe, fastening with a sash, the principal outer garment in Japan.
indigence
n. Poverty.
incompetent
adj. Not having the abilities desired or necessary for any purpose.
iciness
n. The state of being icy.
inopportune
adj. Unsuitable or inconvenient, especially as to time.
isobar
n. A line joining points at which the barometric pressure is the same at a specified moment.
inchoative
n. That which begins, or expresses beginning.
kind-hearted
adj. Having a kind and sympathetic nature.
impliable
adj. Capable of being inferred.
intrude
v. To come in without leave or license.
inchmeal
adv. Piecemeal.
knighthood
n. Chivalry.
inextensible
adj. Of unchangeable length or area.
involuntary
adj. Unwilling.
intellect
n. The faculty of perception or thought.
irreducible
adj. That can not be lessened.
incandescent
adj. White or glowing with heat.
illegitimate
adj. Unlawfully begotten.
inscribe
v. To enter in a book, or on a list, roll, or document, by writing.
inhospitable
adj. Not disposed to entertain strangers gratuitously.
islet
n. A little island.
intolerable
adj. Insufferable.
inquisition
n. A court or tribunal for examination and punishment of heretics.
intestine
n. That part of the digestive tube below or behind the stomach, extending to the anus.
instigator
n. One who incites to evil.
instant
n. A very brief portion of time.
ignoble
adj. Low in character or purpose.
immigrate
v. To come into a country or region from a former habitat.
impropriety
n. The state or quality of being unfit, unseemly, or inappropriate.
inure
v. To harden or toughen by use, exercise, or exposure.
irascible
adj. Prone to anger.
illiberal
adj. Stingy.
immaterial
adj. Of no essential consequence.
knickknack
n. A small article, more for ornament that use.
impalpable
adj. Imperceptible to the touch.
inspector
n. An official appointed to examine or oversee any matter of public interest or importance.
irradiate
v. To render clear and intelligible.
improvise
v. To do anything extemporaneously or offhand.
imperious
adj. Insisting on obedience.
inoffensive
adj. Causing nothing displeasing or disturbing.
kernel
n. A grain or seed.

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