not exemplifying a class; "I soon tumbled to the fact that my weekends were atypical"; "behavior quite unrepresentative (or atypical) of the profession"
surpassing the ordinary or normal; "Beyond his preternatural affability there is some acid andsome steel"- George Will; "his uncanny sense of direction"
much greater than the normal; "abnormal profits"; "abnormal ambition"
not normal; not typical or usual or regular or conforming to a norm; "abnormal powers of concentration"; "abnormal amounts of rain"; "abnormal circumstances"; "an abnormal interest in food"
departing from the normal in e.g. intelligence and development; "they were heartbroken when they learned their child was abnormal"; "an abnormal personality"