behavioural

• behavioral (American spelling)

From behaviour +‎ -al.

• (UK) IPA^(key): /bɪˈheɪvjərəl/

• Audio (Southern England):

  (file)

• (US) IPA^(key): /bɪˈheɪvjɚəl/

behavioural (not comparable)

1. (British spelling) Of or pertaining to behaviour.
   • 2003 February 7, Peter Bradshaw, “Punch-Drunk Love”, in The Guardian, UK, retrieved 7 August 2014:

     Barry is... well, what? Borderline autistic and obsessive-compulsive, with serious anger management issues and a dangerous behavioural disorder that in the real world would get him a one-way ticket to the rubber room.

• behaviouralism