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Folly vs Undefined - What's the difference?

folly | undefined |

As a noun folly

is .

As an adjective undefined is

lacking a definition or value.

folly

English

Noun

(follies)
  • .
    • This is a war of folly .
  • Thoughtless action resulting in tragic consequence.
    • The purchase of Alaska from Russia was termed Seward's folly.
  • A fanciful building built for purely ornamental reasons.
    • A luncheonette in the shape of a coffee cup is particularly conspicuous, as is intended of an architectural duck or folly .
  • * '>citation

    • Related terms

    * fool * foolery * foolish

    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