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Definition behaviour in British English

behaviour noun

[uncountable] noun
/bɪˈheɪvjə(r)/

▪ aggressive, antisocial, bad, criminal, deviant, disruptive, insulting, threatening, unacceptable, undesirable, violent

Behaviour is usually an uncountable noun, so it is rarely used in the plural:

✗ Parents should be able to prevent their children’s crimes or bad behaviours.

✓ Parents should be able to prevent their children’s crimes or bad behaviour.

✗ The media often encourage violence and aggressive behaviours.

✓ The media often encourage violence and aggressive behaviour.

The plural form ‘behaviours’ is a specialized term used in fields such as psychology, social science, and education. This use is much less common than the uncountable use:

In this chapter, we discuss strategies for dealing with the problem behaviours of young children.

1

the way that someone behaves

Example

Anna was sick of her brother's behaviour.

Example

Injury to the brain often produces changes in behaviour.

Example

observations of animal behaviour

Example

governments seeking to influence voter behaviour

Example

violent/aggressive/disruptive behaviour

Example

ways of teaching parents to deal with problem behaviour

Example

I was shocked by his behaviour towards his family.

Example

the patterns of social behaviour that we learn

Synonyms and related words
1.1

a particular way of behaving

Example

These behaviours should be discouraged.

Synonyms and related words
2

the way that a substance, metal etc always reacts because of the laws of science

Example

Scientists are studying the behaviour of the new gas.

Synonyms and related words
Definition behaviour in British English