How can we help?

You can also find more resources in our Help Center.

138 terms

PCAT "I" Terminology

STUDY
PLAY
Inane
Foolishly
Inaugurate
To begin or start officially
Incandescent
Shining brightly
Incarcerate
To put in jail
Incarnadine
Blood-red in color
Incarnate
Having bodily form
Incendiary
Combustible
Incense
To infuriate
Inception
Beginning
Incessant
Continuous
Inchoate
Just begun
Incipient
Beginning to exist or appear
Incisive
Perceptive
Inclination
Tendency towards
Inclusive
Comprehensive
Incognito
in disguise
Inconceivable
Impossible
Inconsequential
Unimportant
Incontrovertible
Unquestionable
Incorrigible
Incapable of being corrected
Incredulous
Skeptical, doubtful
Inculpate
To blame
Inculcate
To teach
Incumbent
Holding a specified office, often political.
Incursion
Sudden invasion
Indefatigable
Never tired
Indefensible
Inexcusable
Indelible
Permanent
Indicative
Showing or pointing out
Indict
To accuse formally
Indigenous
Native
Indigent
Very poor
Indignant
Angry
Indolent
Habitually lazy
Indomitable
Fearless, unconquerable
Indubitable
Unquestionable
Induce
To persuade
Induct
To place ceremoniously in office
Indulge
To give in to a craving or desire
Industry
Business or trade
Inebriated
drunk
Inept
Clumsy
Inert
Unable to move
Inestimable
Too great to be estimated
Inevitable
Certain, unavoidable
Inexorable
Inflexible
Inextricable
Incapable of being untangled
Infallible
Incapable of making a mistake
Infamy
Reputation of bad deeds
Infantile
Childish, immature
Infatuated
Strongly or foolishly attracted to
Infer
To conclude
Infiltrate
To pass secretly into enemy territory
Infinitesimal
Extremely tiny
Infirmity
Disease
Infringe
To encroach
Infuriate
To anger
Infuriating
Provoking angry or outrage
Ingenious
Original, clever, inventive
Ingenuous
Straightforward
Ingrate
Ungrateful person
Ingress
entrance
Inhibit
To hold back
Inimical
Hostile
Iniquity
sin
Initiate
To begin
Inject
To force into
Injunction
Command
Inkling
Hint
Innate
Natural
Innateness
State of being natural
Innocuous
Harmless
Innovate
To invent
Innuendo
Indirect and subtle criticism
Innumerable
Too many to be counted
Inoffensive
Harmless
Inoperable
Not operable
Inquest
Investigation
Insatiable
Never satisfied
Inscrutable
Impossible to understand fully
Insentient
Unfeeling
Insidious
Sly
Insinuate
To suggest
Insipid
Bland
Insolent
Insulting and arrogant
Insoluble
Not able to be solved or explained.
Insolvent
Bankrupt, unable to pay one's debts
Instigate
To incite, urge
Insubstantial
Modest
Insular
Isolated
Insuperable
Unconquerable
Insurgent
Rebellious
Insurrection
Rebellion
Integral
Central
Integrity
Decency
Intemperate
Not moderate
Inter
To bury
Interdict
To forbid
Interject
To interpose
Interlocutor
Someone taking part in a dialogue
Interloper
Trespasser
Interminable
Endless
Intermittent
Starting and stopping
Internecine
Deadly to both sides
Interpolate
To insert
Interpose
To insert
Interregnum
Interval between reigns
Interrogate
To question formally
Intersect
To divide by passing through
Intersperse
To distribute among, mix with
Intimation
Clue
Intractable
Not easily managed
Intramural
Within an institution like a school
Intransigent
Uncompromising
Intrepid
Fearless
Intrinsic
Inherent, internal
Introspective
Contemplating one's own thoughts and feelings
Introvert
Someone given to self-analysis
Intrusion
Trespass
Intuitive
Instinctive, untaught
Inundate
To cover with water
Inure
To harden
Invalidate
To negate or nullify
Invective
Verbal abuse
Investiture
Ceremony conferring authority
Inveterate
Confirmed
Invidious
Likely to provoke ill-will, offensive
Invincible
Invulnerable, unbeatable
Inviolable
Safe from violation or assault
Invoke
To call upon
Iota
Very tiny amount
Irascible
Easily angered
Iridescent
showing many colors
Irresolvable
Unable to be resolved
Irreverent
Disrespectful
Irrevocable
Conclusive
Itinerate
Wandering from place to place
Itinerary
Route of a traveler's journey