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Defo vs Undefined - What's the difference?

defo | undefined |

As an adverb defo

is slang or abbreviated form of definitely.

As an adjective undefined is

lacking a definition or value.

defo

English

(tearoom)

Adverb

(en adverb)
  • Slang or abbreviated form of definitely.
    • I would defo agree with that .

    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