- The definition of behaviour is the British spelling for the way a person or thing acts.
A child who constantly listens to his parents is an example of someone with good behaviour.
A child exhibiting bad behavior.
behaviour definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
behaviour definition by American Heritage Dictionary
noun Chiefly British
Variant of behavior.