* behaviour (everywhere except US)
* (l), (l), (l), (l)
(uncountable) Human conduct relative to social norms.
(uncountable) The way a living creature behaves or acts generally.
(uncountable, informal) A state of probation about one's conduct.
(countable) An instance of the way a living creature behaves.
(countable, uncountable, biology, psychology) Observable response produced by an organism.
(uncountable) The way a device or system operates.
- He was on his best behavior when her family visited.
* Adjectives often applied to "behavior": human, animal, physical, chemical, mechanical, electrical, organizational, corporate, social, collective, parental, interpersonal, sexual, criminal, appropriate, inappropriate, correct, incorrect, right, wrong, good, bad, acceptable, unacceptable, poor, ethical, unethical, moral, immoral, responsible, irresponsible, normal, odd, deviant, abnormal, violent, abusive, aggressive, offensive, defensive, rude, stupid, undesirable, verbal, nonverbal, learned, professional, unprofessional, adaptive, compulsive, questionable, assertive, disgusting, self-destructive.
Very low class; inferior; inadequate.
With dishonorable, base and vulgar expression.
Having socially unacceptable sexual behavior.
* See also