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.

Several hormones can spike in men when they become dads, including oxytocin, linked to better relationship quality; vasopressin, associated with emotional bonding; and prolactin, which promotes lactation in women and caregiving behavior in guys.

From Los Angeles Times • Jun. 10, 2026

Attorney’s Office of the Western District of Virginia to probe whether the incessant violations of antipollution laws had risen to the level of criminal behavior, people familiar with the matter said.

From Salon • Jun. 10, 2026

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

And for the first time, I felt a stab of guilt for my behavior.

From "Glitch" by Laura Martin

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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