Atypical (8)
'atypical' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for abnormal that I've seen before include "Odd" , "Unorthodox" , "Deviating from the standard" , "Non-standard" , "like 15 [ANOMALIES]" .)
(Other definitions for deviant that I've seen before include "wayward" , "Nonconformist" , "Departing from accepted standards" , "Irregular" , "(One) behaving differently from accepted standards" .)
'atypical' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for irregular that I've seen before include "Uneven - inappropriate" , "Contrary to a rule or convention" , "unusual for a > partisan?" , "one of Holmes's Baker Street urchins" , "Unconventional" .)