Synonyms for

Improper

Verb / ˌɪˈmprɑ:pɜ: / Another word for improper — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

not appropriate or suitable

Synonyms & similar words

proper unlawful unconventional wrong inappropriate unsuitable unfitting unseemly indecent incongruous incorrect wrong mistaken erroneous faulty defective flawed bad poor unacceptable inadmissible unlawful illegal illicit

Synonyms by register

Formal

unseemly inappropriate unfitting unsuitable

Informal

not right out of line off not cool

Literary

indecorous uncomely

Antonyms

proper appropriate suitable fitting correct right acceptable

Common collocations

  • improper conduct
  • improper use
  • improper language
  • improper behavior
  • improper attire
  • improper disposal
  • improper ventilation

Word family

noun impropriety
adjective improper
adverb improperly

Usage note

Often used to describe behavior, language, or actions that are not socially acceptable or morally correct. It can also refer to something that is not suitable for a particular purpose or situation.

Example sentences

  1. It is improper to interrupt someone when they are speaking.
  2. Wearing pajamas to a job interview would be considered improper.
  3. Using foul language in public is an improper behavior.
  4. It would be improper to show up to a wedding in casual attire.
  5. The teacher corrected the student's improper grammar usage.

Quotes

  • 'There is nothing so improper as silence.' - Julia Child
  • 'Impropriety is the soul of wit.' - W. Somerset Maugham
  • 'It's always improper to criticize people for their physical characteristics.' - Condoleezza Rice

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