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Synonyms

graceless, inapt, incongruous, incorrect, indecorous, inept, infelicitous, unbecoming, unfit, unhappy, unseemly, unsuitable, wrong

improper fraction noun : a fraction whose numerator is equal to or larger than the denominator

im·prop·er·ly adverb : in an improper manner

Synonyms

amiss, erroneously, faultily, inaptly, incorrectly, mistakenly, wrongly

im·pro·pri·e·ty noun, plural -ties 1 : an improper act or remark; especially : an unacceptable use of a word or of language

2 : the quality or state of being improper

Synonyms

[1] familiarity, gaffe, indiscretion; also blunder, error, flub, fumble, goof, lapse, miscue, misstep, mistake, slip, slipup, stumble; discourtesy, incivility, offense; boner, howler; foul-up, muff; misapprehension, miscalculation, misconception, misjudgment, misstatement, misunderstanding

Antonyms

amenity, civility, courtesy, formality, gesture

[2] incorrectness, indecency; also coarseness; imprudence, indiscretion

Antonyms

appropriateness, correctness, decency, fitness, propriety, rightness, suitability

im·prov adjective : of, relating to, or being an improvised comedy routine

— improv noun

im·prove verb im·proved; im·prov·ing 1 : to enhance or increase in value or quality

2 : to grow or become better

3 : to make good use of <~ the time by reading>

— im·prov·able adjective

Synonyms

ameliorate, amend, better, enhance, enrich, perfect, refine; also correct, emend, rectify, reform, remedy; help; edit, revise; upgrade; fortify, intensify, strengthen; retouch, touch up

Antonyms

worsen

im·prove·ment noun 1 : the act or process of improving

2 : increased value or excellence of something

3 : something that adds to the value or appearance of a thing

Synonyms

advance, advancement, breakthrough, enhancement, refinement—more at ADVANCE

im·prov·i·dent adjective : not providing for the future

— im·prov·i·dence noun

im·pro·vise verb -vised; -vis·ing [ORIGIN: F improviser, fr. It improvvisare, fr. improvviso sudden, fr. L improvisus, lit., unforeseen]

1 : to compose, recite, play, or sing on the spur of the moment : EXTEMPORIZE <~ on the piano>

2 : to make, invent, or arrange offhand <~ a sail out of shirts>

— im·pro·vi·sa·tion noun

— im·pro·vis·er or im·pro·vi·sor noun

im·pru·dent adjective : not prudent : lacking discretion

— im·pru·dence noun

Synonyms

ill-advised, indiscreet, tactless, unwise—more at INDISCREET

im·pu·dence noun : the quality or state of being impudent; also : an impudent remark or act

Synonyms

brazenness, discourtesy, disrespect, impertinence, incivility, insolence, rudeness—more at DISCOURTESY

im·pu·dent adjective : marked by contemptuous boldness or disregard of others

— im·pu·dent·ly adverb

Synonyms

arch, bold, brash, brazen, cheeky, cocky, fresh, impertinent, insolent, nervy, sassy, saucy—more at NERVY

im·pugn verb [ORIGIN: ME, to assail, fr. AF empugner, fr. L inpugnare, fr. pugnare to fight]

: to attack by words or arguments : oppose or attack as false or as lacking integrity

im·puis·sance noun [ORIGIN: ME, fr. MF]

: the quality or state of being powerless : WEAKNESS

im·pulse noun 1 : a force that starts a body into motion; also : the motion produced by such a force

2 : an arousing of the mind and spirit to some usu. unpremeditated action

3 : NERVE IMPULSE

Synonyms

boost, encouragement, goad, impetus, incentive, incitement, instigation, momentum, motivation, provocation, spur, stimulus, yeast; also inducement, invitation; cause, consideration, motive, reason

im·pul·sion noun 1 : the act of impelling : the state of being impelled

2 : a force that impels

3 : IMPULSE 2; also : COMPULSION 3

im·pul·sive adjective 1 : having the power of or actually driving or impelling

2 : acting or prone to act on impulse <~ buying>

— im·pul·sive·ly adverb

— im·pul·sive·ness noun

Synonyms

capricious, whimsical—more at WHIMSICAL

im·pu·ni·ty noun [ORIGIN: MF or L; MF impunité, fr. L impunitas, fr. impune without