As an adjective atypical is
not conforming to the normal type.
As a noun atypical is
(pharmacy) an atypical antipsychotic.
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Not English
Wikidiffcom has no English definition. It may be misspelled. atypical
English
Adjective
(
en adjective)
Not conforming to the normal type.
Unusual or irregular.
Noun
(
en noun)
(pharmacy) An atypical antipsychotic.