behave

verb

be·​have bi-ˈhāv How to pronounce behave (audio)
bē-
behaved; behaving

transitive verb

1
: to manage the actions of (oneself) in a particular way
2
: to conduct (oneself) in a proper manner
getting children to behave themselves

intransitive verb

1
: to act, function, or react in a particular way
He behaves like a child.
testing how various metals behave under heat and pressure
2
: to conduct oneself properly
Please behave.
behaver noun
Choose the Right Synonym for behave

behave, conduct, deport, comport, acquit mean to act or to cause oneself to do something in a certain way.

behave may apply to the meeting of a standard of what is proper or decorous.

the children behaved in church

conduct implies action or behavior that shows the extent of one's power to control or direct oneself.

conducted herself with unfailing good humor

deport implies behaving so as to show how far one conforms to conventional rules of discipline or propriety.

the hero deported himself in accord with the code of chivalry

comport suggests conduct measured by what is expected or required of one in a certain class or position.

comported themselves as gentlemen

acquit applies to action under stress that deserves praise or meets expectations.

acquitted herself well in her first assignment

Examples of behave in a Sentence

If you can't behave in the store we'll have to leave. If you can't behave yourself in the store we'll have to leave. I wish those children would behave themselves. He behaves like a child! The experiment tested how various metals behave under heat and pressure.
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.
Because Ireland is an Anglophone country with large diasporas located in the United Kingdom and the United States, it is assumed that politics should behave a little bit like the two nations who pump so much influence back into it through the mass media produced in London, New York, and Hollywood. Michael Brendan Dougherty, National Review, 11 July 2025 Now, another Russian satellite is behaving in the same way, with a mothership opening up to release a smaller object that could in turn reveal its own surprise inside like a Matryoshka nesting doll. Robert Pearlman, ArsTechnica, 11 July 2025 These forces may not only determine form but also infuse it with meaning, influencing how the object behaves in and relates to the universe. Pravir Malik, Forbes.com, 10 July 2025 There is a sense that if a Conservative government were behaving like Nandy, there would be more uproar about the BBC’s independence. Jake Kanter, Deadline, 9 July 2025 See All Example Sentences for behave

Word History

Etymology

Middle English behaven, from be- be- + haven "to have entry 1, hold"

First Known Use

15th century, in the meaning defined at transitive sense 1

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

Browse Nearby Words

Cite this Entry

“Behave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/behave. Accessed 16 Jul. 2025.

Kids Definition

behave

verb
be·​have bi-ˈhāv How to pronounce behave (audio)
behaved; behaving
1
: to conduct oneself
behaved badly at the meeting
2
: to conduct oneself properly
please behave
3
: to act, function, or react in a particular way
how metals behave under heat and pressure

Medical Definition

behave

verb
be·​have bi-ˈhāv How to pronounce behave (audio)
behaved; behaving

transitive verb

: to bear or conduct (oneself) in a particular way

intransitive verb

: to act, function, or react in a particular way

More from Merriam-Webster on behave

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