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 material used in the experiment, bismuth selenide, displayed especially unusual behavior.

From Science Daily • May 24, 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

China’s authorities have already expressed concern about the industry’s competitive behavior.

From Barron's • May 23, 2026

Judge Perry told the U.S. attorney: “I have never seen the types of prosecutorial behavior before a grand jury that I saw in those transcripts.”

From Slate • May 22, 2026

The first person inside AIG FP to awaken to the madness of his firm’s behavior, and sound an alarm, was not Tom Fewings, who quickly forgot his meeting with Lippmann, but Gene Park.

From "The Big Short" by Michael Lewis

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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