misbehavior

noun

mis·​be·​hav·​ior ˌmis-bi-ˈhā-vyər How to pronounce misbehavior (audio)
-bē-
plural misbehaviors
Synonyms of misbehaviornext
1
: bad, improper, or rude behavior : ill conduct
scolded the children for their misbehavior
2
US military law : any conduct by a member of the armed forces before or in the presence of the enemy that does not conform to military standards or practice for such a situation
… is charged with desertion and misbehavior before the enemy, the latter of which carries a maximum penalty of life in prison.The Boston Herald

Examples of misbehavior in a Sentence

would not tolerate any misbehavior from her students
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
She was accused of misbehavior that included mismanaging the budget, failing to carry out personnel instructions and ordering a subordinate to spy by Palmer’s legally privileged email correspondence. Edmund H. Mahony, Hartford Courant, 6 Feb. 2026 This is a broad category of misbehaviors, ranging from excessive public displays of affection to actual lovemaking on the plane. Christopher Elliott, Dallas Morning News, 14 Jan. 2026 For those who remember having to stay after school and write the same sentence over and over on a chalkboard as punishment for misbehavior, there are reminders in the restrooms. John Meyer, Denver Post, 6 Jan. 2026 Of all the recent poster boys for appalling misbehavior by the State Police, Michael Proctor would of course rank number one. Howie Carr, Boston Herald, 4 Jan. 2026 See All Example Sentences for misbehavior

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of misbehavior was in the 15th century

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Cite this Entry

“Misbehavior.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/misbehavior. Accessed 14 Feb. 2026.

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