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Atypical vs Undefined - What's the difference?

atypical | undefined |

As adjectives the difference between atypical and undefined

is that atypical is not conforming to the normal type while undefined is lacking a definition or value.

As a noun atypical

is (pharmacy) an atypical antipsychotic.

atypical

English

Adjective

(en adjective)
  • Not conforming to the normal type.
  • Unusual or irregular.

    • Noun

    (en noun)
  • (pharmacy) An atypical antipsychotic.

    • undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined