ab·nor·mal 
/æbˈnoɚməl/ adjective
/æbˈnoɚməl/ adjective [more abnormal; most abnormal] : different from what is normal or average : unusual especially in a way that causes problems
▪ abnormal behavior ▪ The results of the blood test were abnormal.
▪ abnormal behavior ▪ The results of the blood test were abnormal.
— ab·nor·mal·ly adverb
▪ behave abnormally ▪ The cells grew abnormally quickly.
▪ behave abnormally ▪ The cells grew abnormally quickly.
