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Forgotten vs Undefined - What's the difference?

forgotten | undefined |

As adjectives the difference between forgotten and undefined

is that forgotten is of which knowledge has been lost; which is no longer remembered while undefined is lacking a definition or value.

As a verb forgotten

is .

As a noun forgotten

is a person or thing that has been forgotten.

forgotten

English

Adjective

(en adjective)
  • Of which knowledge has been lost; which is no longer remembered.

    • Verb

    (head)

    • Noun

    (en noun)
  • A person or thing that has been forgotten.
  • * {{quote-news, year=2007, date=December 31, author=Alan Feuer, title=Headliners of 07: A Subway Savior, Rampaging Rats, and a $12 Million Dog, work=New York Times citation
    • , passage=Luckily for these unfortunate forgottens , New Year is approaching, a time when, despite the intuitions of the calendar, our thoughts often turn to the past. }} English adjectives ending in -en English irregular past participles

    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