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Itself vs Undefined - What's the difference?

itself | undefined |

As a pronoun itself

is (reflexive) it; (a thing as the object of a verb or preposition that also appears as the subject).

As an adjective undefined is

lacking a definition or value.

itself

English

Pronoun

  • (reflexive) it; (A thing as the object of a verb or preposition that also appears as the subject)
    • The door closed by itself
  • (emphatic) it;
    • The door itself is quite heavy.

    Derived terms

    * in-itselfness

    See also

    (English personal pronouns)

    Anagrams

    * English intensifiers English third person pronouns

    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