Definitions

behavior

[bih-heyv-yer] / bɪˈheɪv yər /

NOUN

manner of conducting oneself

Synonyms

STRONGEST

act action attitude conduct demeanor management nature performance practice presence role style

STRONG

address air bag bearing carriage code comportment convention course dealings decency decorum deed delivery deportment ethics etiquette expression form front guise habits mien mode morals observance propriety ritual routine savoir-faire seemliness speech tact talk taste tone way ways

WEAK

social graces tenue way of life what's done

Antonyms

STRONGEST

cessation idleness inactivity inertia repose rest stoppage

STRONG

bad manners carelessness immorality impropriety indecency listening quiet silence thoughtlessness

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.

A clear illustration of this behavior comes from one of the most-cited studies in the behavioral economics field.

From MarketWatch • Jun. 9, 2026

"And he's just been caught doing and saying all of these things... consistently, he's been lying about all of his behavior and the things that he's done."

From Barron's • Jun. 9, 2026

Although that type of behavior grabbed attention on social media, it did not resonate with a significant percentage of L.A. voters, he said.

From Los Angeles Times • Jun. 9, 2026

Mice showed far less lose-shift behavior, making them less likely to adjust their decisions after an unexpected outcome.

From Science Daily • Jun. 8, 2026

He asked questions about what we had eaten and when, and what her behavior had been before she fainted.

From "The Light in Hidden Places" by Sharon Cameron

Vocabulary lists containing behavior

"Julius Caesar" by William Shakespeare, Act I

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Growth, Development and Reproduction of Organisms - Middle School

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Growth, Development and Reproduction of Organisms - Introductory

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