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250 Cards in this Set

  • Front
  • Back
ichthyic adj
ichthyology n
The branch of zoology that treats of fishes
ichthyosaurs n
A fossil reptile
icily adv
iciness n
The state of being icy
icon n
An image or likeness
iconoclast n
An image-breaker
idealize v
To make to conform to some mental or imaginary standard
idiom n
A use of words peculiar to a particular language
idiosyncrasy n
A mental quality or habit peculiar to an individual
idolize v
To regard with inordinate love or admiration
ignoble adj
Low in character or purpose
ignominious adj
Iliad n
A Greek epic poem describing scenes from the siege of Troy
illegal adj
Not according to law
illegible adj
illegitimate adj
Unlawfully begotten
illiberal adj
illicit adj
illimitable adj
illiterate adj
Having little or no book-learning
ill-natured adj
illogical adj
Contrary to the rules of sound thought
illuminant n
That which may be used to produce light
illuminate v
To supply with light
illumine v
To make bright or clear
illusion n
An unreal image presented to the senses
illusive adj
illusory adj
Deceiving or tending to deceive, as by false appearance
imaginable adj
That can be imagined or conceived in the mind
imaginary adj
imbibe v
To drink or take in
imbroglio n
A misunderstanding attended by ill feeling, perplexity, or strife
imbrue v
To wet or moisten
imitation n
That which is made as a likeness or copy
imitator n
One who makes in imitation
immaculate adj
Without spot or blemish
immaterial adj
Of no essential consequence
immature adj
Not full-grown
immeasurable adj
Indefinitely extensive
immense adj
Very great in degree, extent, size, or quantity
immerse v
To plunge or dip entirely under water or other fluid
immersion n
The act of plunging or dipping entirely under water or another fluid
immigrant n
A foreigner who enters a country to settle there
immigrate v
To come into a country or region from a former habitat
imminence n
Impending evil or danger
imminent adj
Dangerous and close at hand
immiscible adj
Separating, as oil and water
immoral adj
Habitually engaged in licentious or lewd practices
immortalize v
To cause to last or to be known or remembered throughout a great or indefinite length of time
immovable adj
immune adj
Exempt, as from disease
immutable adj
impair v
To cause to become less or worse
impalpable adj
Imperceptible to the touch
impartial adj
impassable adj
That can not be passed through or over
impassible adj
Not moved or affected by feeling
impassive adj
Unmoved by or not exhibiting feeling
impatience n
Unwillingness to brook delays or wait the natural course of things
impeccable adj
impecunious adj
Having no money
impede v
To be an obstacle or to place obstacles in the way of
impel v
To drive or urge forward
impend v
To be imminent
imperative adj
imperceptible adj
imperfectible adj
That can not be perfected
imperil v
To endanger
imperious adj
Insisting on obedience
impermissible adj
Not permissible
impersonal adj
Not relating to a particular person or thing
impersonate v
To appear or act in the character of
impersuadable adj
impertinence n
imperturbable adj
impervious adj
impetuosity n
impetuous adj
impetus n
Any impulse or incentive
impiety n
Irreverence toward God
impious adj
Characterized by irreverence or irreligion
implausible adj
Not plausible
impliable adj
Capable of being inferred
implicate v
To show or prove to be involved in or concerned
implicit adj
imply v
To signify
impolitic adj
importation n
The act or practice of bringing from one country into another
importunate adj
Urgent in character, request, or demand
importune v
To harass with persistent demands or entreaties
impotent adj
Destitute of or lacking in power, physical, moral, or intellectual
impoverish v
To make indigent or poor
impracticable adj
Not feasible
impregnable adj
That can not be taken by assault
impregnate v
To make pregnant
impromptu n
Anything done or said on the impulse of the moment
improper adj
Not appropriate, suitable, or becoming
impropriety n
The state or quality of being unfit, unseemly, or inappropriate
improvident adj
Lacking foresight or thrift
improvise v
To do anything extemporaneously or offhand
imprudent adj
impudence n
Insolent disrespect
impugn v
To assail with arguments, insinuations, or accusations
impulsion n
impulsive adj
impunity n
Freedom from punishment
impure adj
impute v
To attribute
inaccessible adj
Difficult of approach
inaccurate adj
Not exactly according to the facts
inactive adj
inadequate adj
inadmissible adj
Not to be approved, considered, or allowed, as testimony
inadvertent adj
inadvisable adj
inane adj
inanimate adj
Destitute of animal life
inapprehensible adj
Not to be understood
inapt adj
Awkward or slow
inarticulate adj
inaudible adj
That can not be heard
inborn adj
Implanted by nature
inbred adj
incandescence n
The state of being white or glowing with heat
incandescent adj
White or glowing with heat
incapacitate v
To deprive of power, capacity, competency, or qualification
incapacity n
Want of power to apprehend, understand, and manage
incarcerate v
To imprison
incendiary n
Chemical or person who starts a fire-literally or figuratively
incentive n
That which moves the mind or inflames the passions
inception n
The beginning
inceptive adj
incessant adj
inchmeal adv
inchoate adj
inchoative n
That which begins, or expresses beginning
incidence n
Casual occurrence
incident n
A happening in general, especially one of little importance
incidentally adv
Without intention
incinerate v
To reduce to ashes
incipience n
incipient adj
incisor n
A front or cutting tooth
incite v
To rouse to a particular action
incitement n
That which moves to action, or serves as an incentive or stimulus
incoercible adj
Incapable of being forced, constrained, or compelled
incoherence n
Want of connection, or agreement, as of parts or ideas in thought, speech, etc
incoherent adj
Not logically coordinated, as to parts, elements, or details
incombustible adj
That can not be burned
incomparable adj
incompatible adj
incompetence n
General lack of capacity or fitness
incompetent adj
Not having the abilities desired or necessary for any purpose
incomplete adj
Lacking some element, part, or adjunct necessary or required
incomprehensible adj
Not understandable
incompressible adj
Resisting all attempts to reduce volume by pressure
inconceivable adj
incongruous adj
Unsuitable for the time, place, or occasion
inconsequential adj
inconsiderable adj
Small in quantity or importance
inconsistent adj
inconstant adj
incontrovertible adj
inconvenient adj
Interfering with comfort or progress
indefensible adj
indefinitely adv
In a vague or uncertain way
indelible adj
That can not be blotted out, effaced, destroyed, or removed
indescribable adj
That can not be described
indestructible adj
That can not be destroyed
indicant adj
That which points out
indicator n
One who or that which points out
indict v
To find and declare chargeable with crime
indigence n
indigenous adj
indigent adj
indigestible adj
Not digestible, or difficult to digest
indigestion n
Difficulty or failure in the alimentary canal in changing food into absorptive nutriment
indignant adj
Having such anger and scorn as is aroused by meanness or wickedness
indignity n
Unmerited contemptuous conduct or treatment
indiscernible adj
Not perceptible
indiscreet adj
Lacking wise judgment
indiscriminate adj
indispensable adj
Necessary or requisite for the purpose
indistinct adj
indivertible adj
That can not be turned aside
indivisible adj
Not separable into parts
indolence n
indolent adj
Habitually inactive or idle
indomitable adj
induct v
To bring in
indulgence n
The yielding to inclination, passion, desire, or propensity in oneself or another
indulgent adj
Yielding to the desires or humor of oneself or those under one's care
inebriate v
To intoxicate
inedible adj
Not good for food
ineffable adj
inefficient adj
Not accomplishing an intended purpose
inefficiency n
That which does not accomplish an intended purpose
ineligible adj
Not suitable to be selected or chosen
inept adj
Not fit or suitable
inert adj
inestimable adj
Above price
inevitable adj
inexcusable adj
Not to be justified
inexhaustible adj
So large or furnishing so great a supply as not to be emptied, wasted, or spent
inexorable adj
inexpedient adj
inexpensive adj
inexperience n
Lack of or deficiency in experience
inexplicable adj
Such as can not be made plain
inexpressible adj
inextensible adj
Of unchangeable length or area
infallible adj
Exempt from error of judgment, as in opinion or statement
infamous adj
Publicly branded or notorious, as for vice, or crime
infamy n
Total loss or destitution of honor or reputation
inference n
The derivation of a judgment from any given material of knowledge on the ground of law
infernal adj
Akin to or befitting hell or its occupants
infest v
To be present in such numbers as to be a source of annoyance, trouble, or danger
infidel n
One who denies the existence of God
infidelity n
infinite adj
infinity n
Boundless or immeasurable extension or duration
infirm adj
Lacking in bodily or mental strength
infirmary n
A place for the reception or treatment of the sick
infirmity n
A physical, mental, or moral weakness or flaw
inflammable adj
Easily set on fire or excited
inflammation n
A morbid process in some part of the body characterized by heat, swelling, and pain
inflexible adj
That can not be altered or varied
influence n
Ability to sway the will of another
influential adj
Having the power to sway the will of another
influx n
infrequence n
infrequent adj
infringe v
To trespass upon
infuse v
To instill, introduce, or inculcate, as principles or qualities
infusion n
The act of imbuing, or pouring in
ingenious adj
Evincing skill, originality, or cleverness, as in contrivance or arrangement
ingenuity n
Cleverness in contriving, combining, or originating
ingenuous adj
Candid, frank, or open in character or quality
inglorious adj
ingraft v
To set or implant deeply and firmly
ingratiate v
To win confidence or good graces for oneself
ingratitude n
Insensibility to kindness
ingredient n
inherence n
The state of being permanently existing in something
inherent adj
inhibit v
To hold back or in
inhospitable adj
Not disposed to entertain strangers gratuitously
inhuman adj
inhume v
To place in the earth, as a dead body