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

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

Retailers could soon charge people different prices for the same merchandise based on their online behavior.

From The Wall Street Journal • Jun. 6, 2026

“I feel terrible about what happened. I feel really bad about my actions and some of the terrible behavior I did,” he said.

From Los Angeles Times • Jun. 6, 2026

Scientists who study human behavior call it the Who, Me? syndrome.

From "The Hidden Gallery" by Maryrose Wood

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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