misbehaviour

M3I1S1B3E1H4A1V4I1O1U1R1
US/ˌmɪsbəˈheɪvjɚ/UK/ˌmɪsbəˈheɪvjə/

A form of misbehavior — Action or conduct that is inappropriate, improper, incorrect, or unexpected.

Similar
misbehaviormisdeed
OriginEnglish behaviour ← Middle English mys- ← Old English mis- →
UncommonScrabble 22
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Meanings

nounmisbehaviour (usually uncountable, plural misbehaviours)

plural misbehaviours

  1. UKalternativeuncountableusuallyAlternative spelling of misbehavior.

Synonyms & antonyms

nounimproper or wicked or immoral behavior

Similar
misbehaviormisdeed
Broader
wrongdoingwrongful conductmisconduct
Also see
misbehaviormisdeed

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*mey-?
  2. Proto-Indo-European*meyth₂-
  3. Proto-Germanic*missaz
  4. Proto-Germanic*missa-
  5. Proto-West Germanic*missa-
  6. Old Englishmis-
  7. Middle Englishmys-
  8. Englishmis-
  9. Englishbehaviour
  10. Englishmisbehaviour

From mis- + behaviour.

Full word history & related roots →

Rhymes & wordplay

Anagrams

behaviourism
Cite this entry
APA

misbehaviour. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/misbehaviour

MLA

“misbehaviour.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/misbehaviour. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “misbehaviour,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/misbehaviour.

Source: misbehaviour on Wiktionary, CC BY-SA 4.0.