1. [ adjective ] 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"

Related terms: normal defective aberrant anomalous kinky brachydactylic atypical subnormal supernormal vicarious freakish antidromic insane normalcy normality
2. [ adjective ] (psychology) departing from the normal in e.g. intelligence and development

"they were heartbroken when they learned their child was abnormal" "an abnormal personality"

Related terms: normal psychology exceptional
3. [ adjective ] much greater than the normal

"abnormal profits" "abnormal ambition"

Related terms: immoderate
Similar spelling:   abnormally