Deviant (8)
'deviant' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for abnormal that I've seen before include "Not typical or usual" , "Unusual, atypical" , "Deviating from the standard" , "Quite unusual" , "Unorthodox" .)
'deviant' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for perverse that I've seen before include "Preserve in order to be stubbornly intractable" , "Deviant" , "Deliberately difficult" , "Wrongly determined" , "Cross-grained" .)