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Toughy vs Undefined - What's the difference?

toughy | undefined |

As a noun toughy

is (informal) something that is tough, or difficult.

As an adjective undefined is

lacking a definition or value.

toughy

English

Alternative forms

*toughie

Noun

(toughies)
  • (informal) Something that is tough, or difficult.
  • :His question is a toughy . I might have to do some more research.

    • 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