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Actively vs Undefined - What's the difference?

actively | undefined |

As an adverb actively

is in an active manner.

As an adjective undefined is

lacking a definition or value.

actively

English

Adverb

(en adverb)
  • In an active manner.
  • * He was actively listening.
  • * She was actively working, not "sleeping on the job".
  • (grammar) In the active form; not passive.
    • a word used actively

    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