Atypical - Definition

adj 1: not representative of a group, class, or type; "a group
that is atypical of the target audience"; "a class of
atypical mosses"; "atypical behavior is not the accepted
type of response that we expect from children" [syn:
atypical, untypical] [ant: typical]
2: deviating from normal expectations; somewhat odd, strange, or
abnormal; "these days large families are atypical"; "atypical
clinical findings"; "atypical pneumonia"; "highly irregular
behavior" [syn: atypical, irregular]