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.

Applied Behavior Center for Autism, launched in the 1990s by Quinn’s mother, runs 14 centers across Indiana.

From The Wall Street Journal • Apr. 1, 2026

"Everyone has seen a street musician or a performer adjust to a changing crowd," said Nieh, a faculty member in the Department of Ecology, Behavior and Evolution.

From Science Daily • Mar. 24, 2026

Meanwhile, the cover of “The Behavior Gap,” his 2012 bestseller, features a roller-coaster line showing the ups and downs of greed and fear.

From MarketWatch • Mar. 16, 2026

"Even small changes in their environment can make them suspicious," said Loretto, who is at the University of Veterinary Medicine in Vienna, and began the research at the Max Planck Institute of Animal Behavior.

From Barron's • Mar. 12, 2026

Behavior: Singers on stage are expected to act in a certain way.

From "Music and the Child" by Natalie Sarrazin

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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