Meaning of BEHAVIOR in English

be ‧ hav ‧ iour S2 W1 BrE AmE British English , behavior American English /bɪˈheɪvjə $ -ər/ noun [uncountable]


1 . the things that a person or animal does:

It is important to reward good behaviour.

behaviour towards

She complained of her boss’s inappropriate behavior towards her.

the effects of alcohol on human behaviour

2 . be on your best behaviour to behave as well and politely as you can in order to please someone:

I want you both to be on your best behaviour at Grandad’s.

3 . the things that something in science normally does

behaviour of

the behaviour of human chromosomes

—behavioural adjective :

behavioural science

—behaviourally adverb

• • •


■ adjectives

▪ good/bad

The boys were suspended from school for bad behaviour.


His good behaviour did not last long.

▪ normal/abnormal

They thought their son’s behaviour was perfectly normal.


Were there any signs of abnormal behaviour?

▪ aggressive/violent/threatening

His behavior became increasingly violent.

▪ antisocial

antisocial behaviour such as spitting and swearing in public

▪ acceptable/unacceptable

This sort of behavior is completely unacceptable.

▪ appropriate/inappropriate formal (=suitable/not suitable for that situation)

Within the official school framework there are penalties for inappropriate behaviour.

▪ human/animal behaviour

the scientific study of human behaviour


detailed observations of animal behaviour

▪ criminal behaviour

There are many theories as to what causes criminal behaviour.

▪ sexual behaviour

a survey of human sexual behaviour

■ behaviour + NOUN

▪ behaviour problems

She teaches children with behaviour problems.

■ phrases

▪ standards of behaviour

declining standards of behaviour among young people


It’s a parent’s job to instruct children in acceptable standards of behaviour.

▪ a pattern of behaviour

Different patterns of behaviour exist in different cultures.

■ verbs

▪ change your behaviour ( also modify your behaviour formal )

He has no reason to change his behaviour.

▪ influence sb’s behaviour

The genes we inherit influence our behaviour.

• • •


▪ behaviour British English , behavior American English the way someone behaves:

Chemicals added to food may be responsible for children’s bad behaviour.


Tatsuya apologized for his behaviour towards me.

▪ conduct formal the way someone behaves in public or in their job – used mainly in official or legal contexts:

Bates was arrested and charged with disorderly conduct (=noisy and violent) .


The committee found him guilty of unsatisfactory professional conduct.

▪ manner the way someone behaves when they are talking to or dealing with other people, which is shown in their expression, their voice etc:

She had a pleasant friendly manner.


Suddenly his whole manner changed, and he started shouting.


His initial manner towards her had been rather formal.

▪ demeanour British English , demeanor American English formal the way someone looks and behaves, which shows you something about their character or feelings:

She maintained a calm demeanour at all times.


Wenger’s demeanour suggested that he was not happy with the situation.

▪ antics someone’s behaviour – used when you think it is silly, funny, strange, or annoying:

The drunken antics of some English football fans has brought shame on the country.


The actor is becoming known for his increasingly bizarre off-screen antics.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.