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.

But the technology also brings concerns about AI introducing errors or leading to biased behavior in customer interactions.

From Barron's • Apr. 22, 2026

The observed continuum came from a degeneration of states caused by competing ferromagnetic and antiferromagnetic interactions, not from quantum behavior.

From Science Daily • Apr. 22, 2026

Shoshana Zuboff’s 2019 book, “The Age of Surveillance Capitalism,” put a name to what people had been feeling: tech companies extracting value from data about our lives and reshaping our behavior for profit.

From The Wall Street Journal • Apr. 22, 2026

An artist wears out his welcome when apologies begin to feel performative rather than meaningful, and when harmful behavior continues to overshadow his work.

From The Wall Street Journal • Apr. 21, 2026

The first person inside AIG FP to awaken to the madness of his firm’s behavior, and sound an alarm, was not Tom Fewings, who quickly forgot his meeting with Lippmann, but Gene Park.

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!