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Definition of Atypical
1. Adjective. Not representative of a group, class, or type. "Atypical behavior is not the accepted type of response that we expect from children"
Exact synonyms: Untypical
Attributes: Typicality
Also: Uncharacteristic, Abnormal, Unnatural
Similar to: Unrepresentative
Derivative terms: Atypicality, Untypicality
Antonyms: Typical
Attributes: Typicality
Also: Uncharacteristic, Abnormal, Unnatural
Similar to: Unrepresentative
Derivative terms: Atypicality, Untypicality
Antonyms: Typical
2. Adjective. Deviating from normal expectations; somewhat odd, strange, or abnormal. "Highly irregular behavior"
Definition of Atypical
1. Adjective. Not conforming to the normal type. ¹
2. Adjective. Unusual or irregular. ¹
3. Noun. (pharmacy) An atypical antipsychotic. ¹
¹ Source: wiktionary.com
Definition of Atypical
1. not typical [adj]
Medical Definition of Atypical
1. Irregular, not conformable to the type, in microbiology, applied specifically to strains of unusual type. Origin: Gr. Typos = type or model (16 Dec 1997)