untypical
— Adjective
– English
~ not representative of a group, class, or type; "a class of atypical mosses"; "atypical behavior is not the accepted type of response that we expect from children"
untypicality
— Noun
– English
~ any state that is not typical
untypically
— Adverb
– English
~ in a manner that is not typical; "she was atypically quiet"