(New American Roget's College Thesaurus)
adj. indecent, bawdy, lewd, risqué; wrong, inapt, unsuitable, unfitting, incorrect, out of place, misplaced. See inexpedience, disagreement. Ant., proper, appropriate.
(Roget's IV) modif.
1. [Unsuitable]
Syn. unseemly, unbecoming, at odds, ill-advised, unsuited, indecorous, incongruous, out of place, ludicrous, incorrect, preposterous, unwarranted, undue, imprudent, unadapted, abnormal, irregular, inexpedient, unseasonable, inadvisable, untimely, inopportune, unfit, malapropos, unfitting, inappropriate, unapt, unbefitting, untoward, unmeet, ill-timed, awkward, inharmonious, discordant, discrepant, inapplicable, ill-assorted, odd; see also unsuitable .
2. [Immoral]
Syn. indecent, indelicate, immodest, lewd, naughty, suggestive, smutty; see also lewd 1 .
Syn.- improper , the word of broadest application in this list, refers to anything that is not proper or suitable, esp. to that which does not conform to conventional standards; unseemly applies to that which is improper or inappropriate to the particular situation [ her unseemly laughter at the funeral ] ; unbecoming applies to that which is inappropriate to a certain kind of person, his character, etc. [ his rigid views are most unbecoming in a teacher ] ; indecorous refers to that which violates propriety or good taste in behavior, speech, etc. [ his indecorous interruption of their chat ] ; indelicate implies a lack of propriety or tact and connotes immodesty or coarseness [ an indelicate anecdote ] ; indecent is used of that which is regarded as highly offensive to morals or modesty [indecent exposure ]
(Roget's 3 Superthesaurus) a.
unsuitable, inappropriate, unfitting, wrong, out of place, inapt, imprudent, uncalled for, incorrect, indecent, unseemly, indecorous, impolite, indelicate, offensive.
ANT.: proper, correct, appropriate, fitting
(Roget's Thesaurus II) adjective 1. Not suited to circumstances: inappropriate, inapt, incongruous, inept, malapropos, unapt, unbecoming, unbefitting, unfit, unseemly, unsuitable. Idiom: out of place. See AGREE, USUAL. 2. Not in keeping with conventional mores: immodest, indecent, indecorous, indelicate, naughty, unbecoming, unbefitting, unseemly, untoward. Idiom: out of line. See USUAL.

English dictionary for students. 2013.


Look at other dictionaries:

  • improper — im·prop·er adj: not proper: as a: not in accord with correct procedure an improper venue b: wrongful; specif: in violation of a constitution the denial of trial by jury was held improper im·prop·er·ly adv …   Law dictionary

  • Improper — Im*prop er, a. [F. impropre, L. improprius; pref. im not + proprius proper. See {Proper}.] 1. Not proper; not suitable; not fitted to the circumstances, design, or end; unfit; not becoming; incongruous; inappropriate; indecent; as, an improper… …   The Collaborative International Dictionary of English

  • improper — UK US /ɪmˈprɒpər/ adjective LAW ► dishonest, and not allowed by a rule or by law: »The cropland may have been polluted because of improper use of pesticides and fertilizers. » improper accounting/payments/trading »improper… …   Financial and business terms

  • improper — [im präp′ər] adj. [OFr impropre < L improprius: see IN 2 & PROPER] 1. not suitable for or consistent with the purpose or circumstances; poorly adapted; unfit 2. not in accordance with the truth, fact, or rule; wrong; incorrect 3. contrary to… …   English World dictionary

  • Improper — Im*prop er, v. t. To appropriate; to limit. [Obs.] [1913 Webster] He would in like manner improper and inclose the sunbeams to comfort the rich and not the poor. Jewel. [1913 Webster] …   The Collaborative International Dictionary of English

  • improper — [adj1] not suitable abnormal, at odds, awkward, bad form, discordant, discrepant, erroneous, false, ill advised, ill timed, imprudent, inaccurate, inadmissible, inadvisable, inapplicable, inapposite, inappropriate, inapt, incongruous, incorrect,… …   New thesaurus

  • improper — (adj.) mid 15c., not true, from Fr. impropre (14c.), from L. improprius, from assimilated form of in not, opposite of (see IN (Cf. in ) (1)) + proprius (see PROPER (Cf. proper)). Meaning not suited, unfit is from 1560s; that of not in accordance… …   Etymology dictionary

  • improper — 1 inappropriate, unfitting, unsuitable, *unfit, inapt, unhappy, infelicitous Analogous words: wrong, *bad, poor: *amiss, astray: incongruous, inconsonant Antonyms: proper Contrasted words: right, *good: * …   New Dictionary of Synonyms

  • improper — ► ADJECTIVE 1) not conforming with accepted standards of behaviour. 2) unseemly or indecent. DERIVATIVES improperly adverb …   English terms dictionary

  • Improper — ;In mathematics *Improper rotation *Improper integral *Improper fraction *Improper prior *Improper distribution *Improper point *Improper limits;Other *Improper English *Improper motion *Improper nounee also* Proper …   Wikipedia

  • improper — improperly, adv. improperness, n. /im prop euhr/, adj. 1. not proper; not strictly belonging, applicable, correct, etc.; erroneous: He drew improper conclusions from the scant evidence. 2. not in accordance with propriety of behavior, manners,… …   Universalium

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