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Lol vs Undefined - What's the difference?

lol | undefined |

As a proper noun lol

is (league of legends) .

As an adjective undefined is

lacking a definition or value.

lol

English

Etymology 1

Interjection

(en interjection)
  • (Internet slang, text messaging)

    • Verb

  • (Internet slang, text messaging, intransitive)

    • Etymology 2

    Interjection

    (en interjection)
  • (archaic) Used in song as a nonsense syllable.
    • English internet laughter slang English terms with multiple etymologies ----

    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