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Enigma vs Undefined - What's the difference?

enigma | undefined |

As a proper noun enigma

is a german device used during world war ii to encode strategic messages.

As an adjective undefined is

lacking a definition or value.

enigma

English

(wikipedia enigma)

Alternative forms

* (chiefly archaic)

Noun

(en-noun)“ enigma'” listed by ' Dictionary.com Unabridged (v1·1)
  • Something or someone puzzling, mysterious or inexplicable.
  • A riddle, or a difficult problem.

    • Related terms

    * a riddle wrapped up in an enigma * Enigma machine * enigmatic

    References

    Anagrams

    * ----

    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