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Seen vs Undefined - What's the difference?

seen | undefined |

As a noun seen

is .

As an adjective undefined is

lacking a definition or value.

seen

English

Etymology 1

Verb

(head)
  • (dialectal) (see); saw.
    • I seen it with my own eyes.
    Antonyms
    * unseen

    Etymology 2

    Noun

    (en noun)
  • The letter in the Arabic script.

    • Statistics

    *

    Anagrams

    * English terms with homophones ----

    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