1. 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"
   - unnatural 
2. Departing from the normal in e.g. intelligence and development
   "they were heartbroken when they learned their child was abnormal"; "an abnormal personality" 
3. Much greater than the normal
   "abnormal profits"; "abnormal ambition"

See also: aberrant, abnormality, abnormally, anomalous, antidromic, atypical, brachydactylic, brachydactylous, defective, deviant, deviate, exceptional, freakish, immoderate, insane, irregular, kinky, normalcy [N. Amer], normality, perverted, subnormal, supernormal, vicarious

Antonym: normal

Encyclopedia: Abnormal

• genus Liriope
• genus Listera
• genus Listeria
• genus Litchi
• genus Lithocarpus
• genus Lithophragma
• genus Lithops
• genus Lithospermum
• genus Litocranius
• genus Littorina
• genus Livistona
• genus Loasa
• genus Lobelia
• genus Lobipes
• genus Lobotes
• genus Lobularia
• genus Locusta
• genus Lofortyx
• genus Logania
• genus Loiseleuria
• genus Loligo
• genus Lolium
• genus Lomatia
• genus Lomogramma
• genus Lonas