What is another word for improper?

Synonyms for improper
ɪmˈprɒp ərim·prop·er

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term improper.

Princeton's WordNet

  1. improperadjective

    not suitable or right or appropriate

    "slightly improper to dine alone with a married man"; "improper medication"; "improper attire for the golf course"

    wrong, unlawful, unconventional

    decent, prudish, correct, victorian, puritanical, becoming, appropriate, prissy, proper, comely, strait-laced, fitting, prim, straitlaced, decorous, comme il faut, straight-laced, regular, halal, square-toed, right, seemly, priggish, kosher, straightlaced, tight-laced

  2. improper, unconventional, unlawfuladjective

    not conforming to legality, moral law, or social convention

    "an unconventional marriage"; "improper banking practices"

    wrongful, illicit, outlaw(a), outlawed, unlawful, wrong, unconventional, illegitimate

    priggish, correct, straitlaced, proper, right, tight-laced, regular, square-toed, straightlaced, victorian, straight-laced, puritanical, comme il faut, becoming, prudish, prissy, comely, seemly, appropriate, prim, kosher, decorous, fitting, decent, halal, strait-laced

  3. improper, wrongadjective

    not appropriate for a purpose or occasion

    "said all the wrong things"

    unseasonable, untimely, awry(p), incorrect, faulty, haywire, unlawful, ill-timed, wrong(p), wrong, amiss(p), unconventional

    regular, proper, priggish, appropriate, strait-laced, comely, victorian, halal, seemly, tight-laced, prissy, becoming, fitting, right, decent, comme il faut, square-toed, straightlaced, kosher, straitlaced, decorous, prudish, prim, straight-laced, puritanical, correct

Dictionary of English Synonymes

  1. improperadjective

    unsuitable, unsuited, unfit, unapt, inapposite, inappropriate, unadapted, not proper

  2. improperadjective

    unseemly, unbecoming, indecent, indecorous

  3. improperadjective

    inaccurate, incorrect, erroneous, wrong

Synonyms, Antonyms & Associated Words

  1. improperadjective

    indecorous, unseemly, indecent, inappropriate, wrong, solecistic

How to pronounce improper?

How to say improper in sign language?

Words popularity by usage frequency


How to use improper in a sentence?

  1. Becki Falwell:

    Even years after the improper relationship had ended, this person continued to be aggressive with Falwell Jr. wife and me in a variety of ways. Giancarlo Granda finally decided that Giancarlo Granda had to further withdraw completely from him, which resulted in him stepping up his threats to share more outrageous and fabricated claims about Giancarlo Granda, eventually, Giancarlo Granda began threatening to publicly reveal this secret relationship with Falwell Jr. wife and to deliberately embarrass Falwell Jr. wife, family, and Liberty University unless we agreed to pay Giancarlo Granda substantial monies.

  2. Democratic House manager Zoe Lofgren:

    And again, in case Democratic House needs a reminder, Democratic House's improper to keep something classified just to avoid embarrassment or to conceal wrongdoing.

  3. Donald Trump:

    The report confirms that the June 9, 2016, meeting was just what Donald Trump Jr. said it was, and nothing more, and that there was nothing improper about potentially listening to information.

  4. Mary Alexander:

    It is potentially, an illegal search and seizure, and using her DNA in an improper manner, so I think it’s of grave concern that this kind of thing is happening.

  5. Attorney General Bill Barr:

    My goal will be to provide as much transparency as I can consistent with the law, i can assure you that, where judgments are to be made by me, I will make those judgments based solely on the law and will let no personal, political or other improper interests influence my decision.

Translations for improper

From our Multilingual Translation Dictionary

  • impropiCatalan, Valencian
  • unpassendGerman
  • ezegokiBasque
  • sopimaton, säädytön, vääräFinnish
  • impropre, inconvenant, grossier, inadapté, inappropriéFrench
  • ongepast, misplaatst, onjuist, verkeerd omschreven, ongeschikt, inconsistent, foutiefDutch
  • uriktig, urettmessig, uegnet, feilaktig, upassende, uanstendigNorwegian
  • incorreto, impróprioPortuguese
  • impropriuRomanian
  • неуме́стный, неподходя́щий, непра́вильный, ло́жный, оши́бочный, неприли́чный, непристо́йныйRussian
  • neprimerenSlovene
  • yanlış, yakışıksız, uygunsuzTurkish

Get even more translations for improper »


Find a translation for the improper synonym in other languages:

Select another language:

  • - Select -
  • 简体中文 (Chinese - Simplified)
  • 繁體中文 (Chinese - Traditional)
  • Español (Spanish)
  • Esperanto (Esperanto)
  • 日本語 (Japanese)
  • Português (Portuguese)
  • Deutsch (German)
  • العربية (Arabic)
  • Français (French)
  • Русский (Russian)
  • ಕನ್ನಡ (Kannada)
  • 한국어 (Korean)
  • עברית (Hebrew)
  • Gaeilge (Irish)
  • Українська (Ukrainian)
  • اردو (Urdu)
  • Magyar (Hungarian)
  • मानक हिन्दी (Hindi)
  • Indonesia (Indonesian)
  • Italiano (Italian)
  • தமிழ் (Tamil)
  • Türkçe (Turkish)
  • తెలుగు (Telugu)
  • ภาษาไทย (Thai)
  • Tiếng Việt (Vietnamese)
  • Čeština (Czech)
  • Polski (Polish)
  • Bahasa Indonesia (Indonesian)
  • Românește (Romanian)
  • Nederlands (Dutch)
  • Ελληνικά (Greek)
  • Latinum (Latin)
  • Svenska (Swedish)
  • Dansk (Danish)
  • Suomi (Finnish)
  • فارسی (Persian)
  • ייִדיש (Yiddish)
  • հայերեն (Armenian)
  • Norsk (Norwegian)
  • English (English)


Use the citation below to add these synonyms to your bibliography:


"improper." Synonyms.com. STANDS4 LLC, 2022. Web. 10 Aug. 2022. <https://www.synonyms.com/synonym/improper>.

Discuss these improper synonyms with the community:


    Are we missing a good synonym for improper?

    Browse Synonyms.com

    Free, no signup required:

    Add to Chrome

    Get instant synonyms for any word that hits you anywhere on the web!

    Free, no signup required:

    Add to Firefox

    Get instant synonyms for any word that hits you anywhere on the web!


    Are you a human thesaurus?

    Which of the following terms is not a synonym for "Tolerable"?
    • A. passable
    • B. adequate
    • C. fair to middling
    • D. constructive

    Nearby & related entries:

    Alternative searches for improper: