Behavior definition

bĭ-hāvyər
Frequency:
The actions or reactions of a person or animal in response to external or internal stimuli.
noun
75
21
The actions displayed by an organism in response to its environment.
33
5
The manner in which one acts or behaves.
noun
35
10
The manner in which something functions or operates.
noun
26
4
The definition of behavior is the way a person or thing acts or reacts.

A child throwing a tantrum is an example of bad behavior.

The actions of chimps studied by scientists are an example of behaviors.

noun
7
0
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The manner in which something functions or operates.

The faulty behavior of a computer program; the behavior of dying stars.

noun
5
0
The way a person behaves or acts; conduct; manners.
noun
8
4
One of these actions. Certain animal behaviors (such as nest building) result from instinct , while others (such as hunting) must be learned.
5
2
An instance of behavior; specif., one of a recurring or characteristic pattern of observable actions or responses.
noun
4
1
The actions or reactions of a person or animal in response to external or internal stimuli.
noun
3
0
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(uncountable) The way a device or system operates.
noun
2
0
One of these actions or reactions.
noun
1
0
(uncountable) Human conduct relative to social norms.
noun
1
0
The manner in which a physical system, such as a gas, subatomic particle, or ecosystem, acts or functions, especially under specified conditions.
5
5
An organism's responses to stimulation or environment, esp. those responses that can be observed.
noun
1
1
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The way a machine, element, etc. acts or functions.
noun
0
0
(uncountable, informal) A state of probation about one's conduct.

He was on his behavior when her family visited.

noun
0
0
(countable) An instance of the way a living creature behaves.
noun
0
0
(countable, uncountable, biology, psychology) Observable response produced by an organism.
noun
0
0
(uncountable) The way a living creature behaves or acts generally.
noun
0
1
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Other Word Forms

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