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.

Everyone is kind of modulating their behavior based on how they are appearing out of body.

From Los Angeles Times • Jun. 11, 2026

In a recent interview, Erb stressed that while bitcoin’s behavior is consistent with the model, it doesn’t prove that it is right or true.

From MarketWatch • Jun. 11, 2026

The researchers also found that motor circuits connect with other circuit types, including those in the visual and endocrine systems, which supply extra information that helps shape behavior.

From Science Daily • 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

Being in the barracks put Madame on her best behavior, for she knew how important the charm of an officer’s wife could be to securing his advancement!

From "The Long-Lost Home" by Maryrose Wood

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!