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Definition of behave

behave

/bɪˈheɪv/
be · have

Adverb:behaviorally
•
Adjective:behavioral
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Past Simple:behaved
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Past Participle:behaved
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Present Participle:behaving
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behave Lexical Profile

behave Game Scores & Validity

• verb

1

To act or conduct oneself in a specified way, especially toward others.

Example

"The guests behaved with great courtesy throughout the entire evening."


2

To conduct oneself in accordance with accepted norms of politeness, obedience, or propriety.

Example

"The teacher asked the restless students to behave while the guest speaker was on stage."


3

To function, react, or operate in a particular manner under given conditions (of a machine, substance, or natural phenomenon).

Example

"Researchers are studying how the new alloy behaves when exposed to extreme temperatures."

Synonyms
View all synonyms for behave
Antonyms
View all antonyms for behave

Word Nuance & Usage

When used without an adverb or modifier (or reflexively as 'behave oneself'), 'behave' specifically means to conduct oneself politely and properly; when modified by an adverb (e.g., 'behave badly'), it simply means to act in a specified manner.

• Rhymes for behave

Word Origin & Etymology

Coined in the 15th century from the prefix 'be-' and the verb 'have' in the sense of 'to bear or conduct oneself,' modeled after Middle French 'se contenir' and replacing Old English 'behabban' (to encompass or restrain).

Cite this Entry


Wordmom. (2026). Definition of Behave. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/behave
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