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Unfortunate vs Undefined - What's the difference?

unfortunate | undefined |

As adjectives the difference between unfortunate and undefined

is that unfortunate is not favored by fortune while undefined is lacking a definition or value.

As a noun unfortunate

is an unlucky person.

unfortunate

English

Adjective

(en adjective)
  • not favored by fortune
  • marked or accompanied by or resulting in misfortune

    • Synonyms

    * (not favored by fortune) unsuccessful * (accompanied by or resulting in misfortune) unlucky

    Antonyms

    * (not favored by fortune) fortunate * (accompanied by or resulting in misfortune) fortunate, lucky

    See also

    * deplorable * regrettable * infelicitous * unsuitable

    Noun

    (en noun)
  • An unlucky person.

    • 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