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.

While there are no hard and fast criteria, the market’s behavior over the past two months certainly fits the bill, according to Bret Kenwell, U.S. investment analyst at eToro.

From MarketWatch • May 26, 2026

Whether this is intentional behavior born of the arrogance of power or a symptom of a deteriorating mental state is somewhat beside the point.

From Salon • May 26, 2026

Scientists point to one famous specimen nicknamed "The Black Knight" as evidence of this violent behavior.

From Science Daily • May 23, 2026

According to a law enforcement source, the FBI was alerted to Vazquez’s behavior — something that happens regularly in thousands of such incidents nationwide.

From Los Angeles Times • May 23, 2026

I understood the unspoken rules of behavior, and the ones I broke I knew to keep to myself, so of course I’d never mentioned a thing about Russell.

From "The Red Car to Hollywood" by Jennie Liu

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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