US /ɪmˈpɹɔp.ə/ UK /ɪmˈpɹɒp.ə/
adj verb Freq #16729

Meanings

  1. 1
    adj

    Not suitable, right, or correct for the situation.

    It would be improper to wear jeans to a formal wedding.

  2. 2
    adj

    Not following good manners or accepted standards of behaviour.

    The official lost his job for improper conduct.

Thesaurus

Synonyms
1 adj · not suitable, right, or... wrong
2 adj · not following good manners... unconventional
More unproper
Word family
Derived forms improperness

Etymology

From Middle English empropren, perhaps from an unattested Anglo-Norman variant enproprier of Anglo-Norman apropr(i)er, approprier, related to modern French approprier.

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