ab ‧ norm ‧ al AC /æbˈnɔːm ə l $ -ˈnɔːr-/ BrE AmE adjective
[ Word Family: noun : NORMALITY/NORMALCY ≠ ↑ abnormality , ↑ normal , ↑ normalization ; verb : ↑ normalize ; adverb : ↑ normally ≠ ↑ abnormally ; adjective : ↑ normal ≠ ↑ abnormal ]
[ Date: 1800-1900 ; Origin: ab- 'away from, not' (from Latin ab- 'away, off' ) + normal ]
very different from usual in a way that seems strange, worrying, wrong, or dangerous OPP normal :
abnormal behaviour
an abnormal level of cholesterol
My parents thought it was abnormal for a boy to be interested in ballet.
—abnormally adverb :
an abnormally high pulse rate