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