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Ardor vs Undefined - What's the difference?

ardor | undefined |

As a noun ardor

is great warmth of feeling; fervor; passion.

As an adjective undefined is

lacking a definition or value.

ardor

English

Alternative forms

* ardour (chiefly British and Canadian)

Noun

  • Great warmth of feeling; fervor; passion.
  • Spirit.
  • Intense heat.

    • Synonyms

    * (warmth of feeling) intensity * (spirit) elan, fire in the belly, passion, zeal

    Antonyms

    * apathy

    Related terms

    () * ardent * ardency

    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