SAT Vocabulary Words That Start With I

rebellious; characterized by attack on established beliefs or institutions

same; exactly alike and incapable of being perceived as different

value system; an orientation that characterizes the thinking of a group or nation

expression; a manner of speaking that is natural to native speakers of a language

peculiarity; a behavioral attribute that is distinctive and peculiar to an individual

unique to an individual

worship; religious zeal; the willingness to serve God

shameful; completely lacking nobility in character or quality or purpose

lacking knowledge or awareness

light up; make lighter or brighter

misleading or deceptive

demonstrate; clarify by giving an example of

creative and inventive in thought

difference; a lack of balance or state of disequilibrium

drink; take in, also metaphorically

a copy of something original

enter; migrate to a new environment

stillness; remaining in place

unaffected; a person who is immune to a particular infection

changeless; not subject or susceptible to change or variation in form or quality or nature

harm; make worse or less effective

give; transmit (knowledge or skills)

impossible to pass; incapable of being passed

filled with strong emotion

expressionless; having or revealing little emotion or sensibility

faultless; without fault or error

penniless; not having enough money to pay for necessities

hinder; be a hindrance or obstacle to

force; urge or force (a person) to an action; constrain or motivate

unnoticeable; impossible or difficult to perceive by the mind or senses

extremely dense; preventing especially liquids to pass or diffuse through

disrespectful; characterized by a lightly pert and exuberant quality

calm; not easily perturbed or excited or upset; marked by extreme calm and composure

unaffected; not admitting of passage or capable of being affected

acting without thought

unrighteousness; unrighteousness by virtue of lacking respect for a god

impossible to please; incapable of being placated

unlikely to be true

involve, entangle; bring into intimate and incriminating connection

meaning; something that is inferred (deduced or entailed or implied)

hinted; implied though not directly expressed; inherent in the nature of something

collapse inward; burst inward

suggest; express or state indirectly

plead; beg persistently and urgently

force something upon someone

powerless; lacking power or ability

easily influenced

improvised; an extemporaneous speech or remark

disrespect; an impudent statement

attack as false

acting without thinking

not sufficient or enough

accidental; happening by chance or unexpectedly or unintentionally

silly; devoid of intelligence

lifeless; belonging to the class of nouns denoting nonliving things

voiceless; without or deprived of the use of speech or words

unable to be heard

disable; make unable to perform a certain action

imprison; lock up or confine, in or as in a jail

motive; a positive motivational influence

never-ending; uninterrupted in time and indefinitely long continuing

not yet organized; only partly in existence; imperfectly formed

happening; the relative frequency of occurrence of something

minor and not essential

beginning; only partly in existence; imperfectly formed

penetrating; having or demonstrating ability to recognize or draw fine distinctions

prompt; give an incentive for action

slope; have a tendency or disposition to do or be something; be inclined

including; including much or everything and stated limits

disconnected; without logical or meaningful connection

incompatibility; the quality of disagreeing; being unsuitable and inappropriate

absurd; lacking in harmony or compatibility or appropriateness

not important

difference; the relation between propositions that cannot both be true at the same time

bodiless; without material form or substance

impossible to correct; impervious to correction by punishment

current holder of an office; the official who holds an office

tireless; showing sustained enthusiastic action with unflagging vitality

permanent; cannot be removed or erased

not clearly defined

accuse; accuse formally of a crime

a formal criminal accusation

lack of interest or concern

uncaring; marked by a lack of interest

extreme poverty

native; originating where it is found

random; failing to make or recognize distinctions

absolutely necessary or essential

undeniable; not open to question; obviously true

slothful; disinclined to work or exertion

persevering; impossible to subdue

certain; too obvious to be doubted

cause; cause to arise

allow oneself pleasure

overly generous or lenient

hardworking; characterized by hard work and perseverance

impossible to describe

lacking skill or ability

motionless; unable to move or resist motion

certain to happen and unavoidable

dependable; incapable of failure or error

well known for bad reasons

conclude; reason by deduction; establish by deduction

lower in quality or rank

related to hell; characteristic of or resembling Hell

tiny; (mathematics) a variable that has zero as its limit

unwilling to change

offense; a crime less serious than a felony

not occurring often

clever; showing inventiveness and skill

innocent; characterized by an inability to mask your feelings; not devious

ungrateful person; a person who shows no gratitude

gain others' favor for; gain favor with somebody by deliberate efforts

included; existing as an essential constituent or characteristic

restrict; put down by force or authority

start; bring into being

hurt; cause injuries or bodily harm to

slight idea; a slight suggestion or vague understanding

inherent; not established by conditioning or learning

harmless and safe

create; bring something new to an environment

a new idea or creation

introducing new and creative ideas

unlucky; not opportune

excessive; beyond normal limits

interrogator; a questioner who is excessively harsh

difficult to understand

unfeeling; incapable of physical sensation

sneaky; beguiling but harmful

understanding; clear or deep perception of a situation

showing deep understanding or perception

imply; introduce or insert (oneself) in a subtle manner

tasteless; lacking taste or flavor or tang

declare firmly without backing down

rude disrespect

rudely disrespectful

bankrupt; someone who has insufficient assets to cover their debts

examine; look over carefully

occurring immediately

provoke or start something

teach; impart skills or knowledge to

important in achieving a result

disobedience; defiance of authority

unreal; lacking material form or substance; unreal

isolation; the state of being isolated or detached

rebellion; organized opposition to authority

abstract; impossible to feel or touch

included; existing as an essential constituent

complete honesty and moral strength

easy to understand

excessive and uncontrolled

forceful; possessing or displaying a distinctive feature to a heightened degree

act together; act towards each other; act together or towards others or with others

an unwelcome intruder

middle; lying between two extremes in time or space or state

endless; tiresomely long; seemingly without end

irregular; stopping and starting at irregular intervals

explain; make sense of; assign a meaning to

period; a definite length of time marked off by two instants

interrupt; get involved, so as to alter an action, or through force or threat of force

frighten; make timid or fearful

hard to manage; not tractable; difficult to manage or mold

stubbornness; the trait of being intransigent; stubbornly refusing to compromise

fearless; invulnerable to fear or intimidation

complex and detailed

essential; belonging to a thing by its very nature

thoughtful; given to examining own sensory and perceptual experiences

knowledge gained without reasoning

understood instinctively without reasoning

flood; fill quickly beyond capacity; as with a liquid

accustom to hardship; cause to accept or become hardened to; habituate

void; declare invalid

vilification; abusive language used to express blame or bitter deep-seated ill will

reverse; make an inversion (in a musical composition)

examine; investigate scientifically

invulnerable; incapable of being transgressed or dishonored

call forth; summon into action or bring into existence, often as if by magic

angry; quickly aroused to anger

annoying; so lacking in interest as to cause mental weariness

amusing; humorously sarcastic or mocking

illogical; not consistent with or using reason

not related to the topic

indecisive; uncertain how to act or proceed

lacking respect

keep apart; place or set apart

wanderer; a laborer who moves from place to place as demanded by employment

travel plan; an established line of travel or access