behave

verb

be·​have bi-ˈhāv 

bē-

behaved; behaving

transitive verb

1

: to manage the actions of (oneself) in a particular way

2

: to conduct (oneself) in a proper manner

getting children to behave themselves

intransitive verb

1

: to act, function, or react in a particular way

He behaves like a child.

testing how various metals behave under heat and pressure

2

: to conduct oneself properly

Please behave.

behaver noun

Synonyms

• carry
• acquit
• conduct
• handle
• restrain
• compose
• contain

Choose the Right Synonym for behave

behave, conduct, deport, comport, acquit mean to act or to cause oneself to do something in a certain way.

behave may apply to the meeting of a standard of what is proper or decorous.

the children behaved in church

conduct implies action or behavior that shows the extent of one's power to control or direct oneself.

conducted herself with unfailing good humor

deport implies behaving so as to show how far one conforms to conventional rules of discipline or propriety.

the hero deported himself in accord with the code of chivalry

comport suggests conduct measured by what is expected or required of one in a certain class or position.

comported themselves as gentlemen

acquit applies to action under stress that deserves praise or meets expectations.

acquitted herself well in her first assignment

Examples of behave in a Sentence

If you can't behave in the store we'll have to leave.

If you can't behave yourself in the store we'll have to leave.

I wish those children would behave themselves.

He behaves like a child!

The experiment tested how various metals behave under heat and pressure.

Recent Examples on the Web

An aside: phosphorylation is when a tiny chemical group called a phosphate is added to a protein, such as tau, which is like adding a switch to change how the protein behaves. —New Atlas, 30 June 2025

Yet, but Buyers Are Gaining Power For Hale, the recent shifts in the U.S. housing market signals that the country is moving in favor of buyers—and under certain aspects is already behaving more like a buyer's market than a seller's one. —Giulia Carbonaro, MSNBC Newsweek, 28 June 2025

The appeal is built on two ideas: 1) the amazing feat of using prehistoric DNA to clone new dinosaurs; and 2) the terrifying prospect of those dinosaurs behaving like, well, dinosaurs (namely the carnivorous ones). —Will Harris, EW.com, 27 June 2025

Areas to watch, says Arthur Adam, a neurosurgeon and stroke expert at University of Tennessee Health Sciences Center, include how human brain tissue is affected by the new thrombectomy method, and how the cells and debris behave once they’re liberated from the fibrin by the milli-spinner. —Ani Freedman, Fortune, 27 June 2025

Word History

Etymology

Middle English behaven, from be- be- + haven "to have entry 1, hold"

First Known Use

15th century, in the meaning defined at transitive sense 1

Rhymes for behave

• agave
• concave
• conclave
• enclave
• engrave
• enslave
• forgave
• landgrave
• margrave
• shortwave
• aftershave
• architrave

Kids Definition

behave

verb

be·​have bi-ˈhāv 

behaved; behaving

1

: to conduct oneself

behaved badly at the meeting

2

: to conduct oneself properly

please behave

3

: to act, function, or react in a particular way

how metals behave under heat and pressure

Medical Definition

behave

verb

be·​have bi-ˈhāv 

behaved; behaving

transitive verb

: to bear or conduct (oneself) in a particular way

intransitive verb

: to act, function, or react in a particular way