impropriety

UK: /ˌɪmprəˈpraɪɪti/ US: /ˌɪmprəˈpraɪɪti/ ,(im′prə prī′i tē)

Inflections of 'impropriety' (n): npl: improprieties

WordReference Random House Learner's Dictionary of American English © 2026

im•pro•pri•e•ty /ˌɪmprəˈpraɪɪti/   n., pl. -ties. 

1. [uncountable] the quality or condition of being improper.
2. an improper act:
   [countable] accused of financial improprieties.

See -propr-.

WordReference Random House Unabridged Dictionary of American English © 2026

im•pro•pri•e•ty  (im′prə prī′i tē), n., pl. -ties for 4, 5.

1. the quality or condition of being improper;
   incorrectness.
2. inappropriateness;
   unsuitableness.
3. unseemliness;
   indecorousness.
4. an erroneous or unsuitable expression, act, etc.
5. an improper use of a word or phrase.

• Late Latin improprietās. See im-², propriety
• 1605–15

Collins Concise English Dictionary © HarperCollins Publishers::

impropriety / ˌɪmprəˈpraɪɪtɪ/ noun ( -ties)

1. lack of propriety; indecency; indecorum
2. an improper act or use
3. the state of being improper