Open English Wordnet
Adjectives
(a)abnormal, unnaturalnot 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” (a)abnormaldeparting from the normal in e.g. intelligence and development“they were heartbroken when they learned their child was abnormal”,
“an abnormal personality” (s)abnormalmuch greater than the normal“abnormal profits”,
“abnormal ambition”