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Pessimistic vs Undefined - What's the difference?

pessimistic | undefined |

As adjectives the difference between pessimistic and undefined

is that pessimistic is marked by pessimism and little hopefulness; expecting the worst while undefined is lacking a definition or value.

pessimistic

English

Adjective

(en adjective)
  • Marked by pessimism and little hopefulness; expecting the worst.
    • a pessimistic view of the future
  • Pertaining to the worst-case scenario.
    • a pessimistic estimate

    Antonyms

    * optimistic

    Related terms

    * pessimal * pessimism * pessimist

    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