[ bih-heyv-yer ]


, Chiefly British.


/ bɪˈheɪvjə /


  1. manner of behaving or conducting oneself
  2. on one's best behaviour
    on one's best behaviour behaving with careful good manners
  3. psychol
    1. the aggregate of all the responses made by an organism in any situation
    2. a specific response of a certain organism to a specific stimulus or group of stimuli
  4. the action, reaction, or functioning of a system, under normal or specified circumstances

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Spelling Note

See -or 1.

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Derived Forms

  • beˈhavioural, adjective

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Word History and Origins

Origin of behaviour1

C15: from behave ; influenced in form by Middle English havior , from Old French havoir , from Latin habēre to have

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Example Sentences

In our research, we tried to reflect some of the diversity of behaviour found in human populations to show what effect it might have on reaching herd immunity.

Breton said then that lawmakers are considering a rating system to allow the public and stakeholders to assess companies’ behaviour in areas such as tax compliance and how quickly they take down illegal content.

Due to the general view of PPC and SEO as separate entities, teams often operate in silos, but this isolates valuable knowledge around consumer behaviour and the tactics that generate the biggest rewards.

Users’ needs and online behaviours have changed in tandem, forcing marketers to meet them on their new terms.

This is important, because they have very different views from the rest of the population on some key aspects of the crisis and very different behaviours.

It demands only that judges “shall hold their Offices during good Behaviour.”

Judges, they wrote, “shall hold their Offices during good Behaviour.”

But there is more to this behaviour than intentional amnesia.

How from now on we were going to be seeing in Prince Harry nothing but a model of discretion, seriousness and best behaviour?

Such behaviour in another part of Europe would have meant their certain death.

Without preface, he abruptly asked, what had been told him of the Duke of Wharton's behaviour the preceding night.

I need not inquire whether his dismal behaviour was natural or assumed.

No one, apparently, took the slightest notice of his absurdly wild behaviour.

What pleased me most was, that both the dress and behaviour of the military young ladies were highly becoming.

On all other points it becomes a fair war risk to presume upon their happy-go-lucky behaviour.


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behavior therapybehavioural contagion