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misbehave

American  
[mis-bi-heyv] / ˌmɪs bɪˈheɪv /

verb (used without object)

misbehaves, present (3rd person singular) misbehaved, past participle, past misbehaving present participle
  1. to behave badly or improperly.

    The children misbehaved during our visit.


verb (used with object)

misbehaves, present (3rd person singular) misbehaved, past participle, past misbehaving present participle
  1. to conduct (oneself ) without regard for good manners or accepted moral standards.

    Several of the guests misbehaved themselves.

misbehave British  
/ ˌmɪsbɪˈheɪvjə, ˌmɪsbɪˈheɪv /

verb

  1. to behave (oneself) badly

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Etymology

Origin of misbehave

late Middle English word dating back to 1425–75; see origin at mis- 1, behave

Explanation

When you misbehave, you do something bad. One way to misbehave would be to stand on the roof of your house and throw water balloons at people walking by. Kids are probably most often said to misbehave, although adults misbehave at least as often. A bank executive, for example, might misbehave by embezzling money, and a politician misbehaves when she lies under oath. The meaning of the word is clear once you know that the prefix mis- means "bad or wrong," from Old English. When you combine it with behave, you get bad behavior.

Keep Reading on Vocabulary.com

Vocabulary lists containing misbehave

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

He explained that he was concerned that adults would misbehave.

From The Wall Street Journal Jun. 29, 2026

They may even feel emboldened to misbehave again.

From Slate Jun. 8, 2026

Plans to allow Senedd members who misbehave to lose their seats through a "recall" ballot of constituents are also a part of the bill, which will face its first vote on Tuesday.

From BBC Jan. 13, 2026

Prodigy City is located in what was formerly Thailand, where the series was filmed, giving every character, human and otherwise, plenty of space to hide and misbehave.

From Salon Aug. 5, 2025

Students often misbehave when they’re confused about what they’re supposed to do.

From "Music and the Child" by Natalie Sarrazin

BB14’s collar shows she has returned to Topanga, where a possible third relocation awaits if she misbehaves.

From The Wall Street Journal Nov. 17, 2025

The act also says anyone who “shamefully casts away his arms, ammunition, tools, or equipment or misbehaves in such manner as to show cowardice in the presence of the enemy” faces the same penalty.

From Seattle Times Jan. 24, 2024

Discipline is about teaching children how to behave, communicate and regulate their emotions, not, for example, losing your temper when a child misbehaves.

From Washington Post Nov. 29, 2022

In addition, he said he wanted to see an end to Section 21 evictions, which occur when a tenant misbehaves or the landlord wishes to stop renting.

From BBC Oct. 30, 2022

You cannot hold an impartial judicial inquiry every time a child misbehaves itself.

From Treatise on Parents and Children by Shaw, Bernard

In 1934, Alcatraz opened as an official federal prison for men who had made escape attempts from other federal prisons, or otherwise misbehaved.

From Los Angeles Times May 5, 2025

Voters could be given the opportunity to kick politicians who have misbehaved out of the Welsh Parliament.

From BBC Jan. 23, 2025

Fans flooded the field, tore down a goal post, ripped up chunks of turf and misbehaved as if transported to joy long denied.

From Washington Post Apr. 28, 2023

We had some fans, occasionally, that really misbehaved and created a very uncomfortable atmosphere.

From Seattle Times Dec. 24, 2022

When Joyce misbehaved, she simply ceased to exist for her mother.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

A top lawmaker from Australia's far-right One Nation party has grabbed headlines after exploding at a misbehaving dog as he was grilled on live TV.

From Barron's Jul. 21, 2026

Punishing a dog for misbehaving when traveling may only result in the dog having negative associations with road trips.

From The Wall Street Journal Mar. 25, 2026

Local resentment is rising, with social media vigilantes putting misbehaving tourists on blast - even as the Balinese maintain their world-famous hospitality.

From BBC Sep. 27, 2025

The organized bar should address judicial referrals of misbehaving government lawyers without hesitation and, when merited, with stringent punishment.

From Slate Mar. 17, 2025

But that would have been improper, and I didn’t want to be scolded for misbehaving.

From "Reaching for the Moon" by Katherine Johnson

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