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.

The V-shaped trading pattern of the last 24 hrs reflects in part the behavior of the Philadelphia Semiconductor Index SOX, the broad movements of which Korea’s market has been tracking for some time.

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

Aside from learning to prepare lessons and navigate behavior issues, they complete activities similar to the children’s, including painting as well as outdoor play using toy hoops and bouncy balls.

From Los Angeles Times • Jun. 8, 2026

Whether you're navigating a job interview, meeting someone for the first time, or responding to an unexpected challenge, success often depends on your ability to adjust your behavior.

From Science Daily • Jun. 8, 2026

Roz paid close attention to the whale’s behavior and understood what she was saying.

From "The Wild Robot Escapes" by Peter Brown

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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