behaviour
US /bɪˈheɪ.vjɚ/
UK /bɪˈheɪ.vjɚ/

1.
comportement
the way in which one acts or conducts oneself, especially toward others.
:
•
His behaviour at the party was unacceptable.
Son comportement à la fête était inacceptable.
•
She studies human behaviour.
Elle étudie le comportement humain.
2.
comportement, fonctionnement
the way in which an animal or a machine operates or functions.
:
•
The dog's aggressive behaviour concerned its owner.
Le comportement agressif du chien inquiétait son propriétaire.
•
The unusual behaviour of the engine indicated a problem.
Le comportement inhabituel du moteur indiquait un problème.