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

"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

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

They lead storytime, serve breakfast on plastic plates and in sippy cups, lead music and movement activities, and handle tears and rambunctious behavior.

From Los Angeles Times • Jun. 8, 2026

To judge from their behavior, all the rating agencies worried about was maximizing the number of deals they rated for Wall Street investment banks, and the fees they collected from them.

From "The Big Short" by Michael Lewis

Vocabulary lists containing behavior

"Julius Caesar" by William Shakespeare, Act I

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Growth, Development and Reproduction of Organisms - Middle School

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Growth, Development and Reproduction of Organisms - Introductory

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!