Behavior Definition

bĭ-hāvyər
behaviors
noun
behaviors
The manner in which one acts or behaves.
American Heritage
The way a person behaves or acts; conduct; manners.
Webster's New World
An organism's responses to stimulation or environment, esp. those responses that can be observed.
Webster's New World
One of these actions or reactions.
American Heritage
An instance of behavior; specif., one of a recurring or characteristic pattern of observable actions or responses.
Webster's New World

Other Word Forms of Behavior

Noun

Singular:
behavior
Plural:
behaviors

Origin of Behavior

  • Middle English behavour from behaven to behave (on the model of havour behavior) (from Old French avoir) (from avoir to have) behave

    From American Heritage Dictionary of the English Language, 5th Edition

  • From behave +‎ -ior, apparently in simulation of havior, haviour, havour. Compare Scots havings (“behavior”), from have (“to behave”).

    From Wiktionary

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