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Desuetude vs Undefined - What's the difference?

desuetude | undefined |

As a noun desuetude

is obsolescence.

As an adjective undefined is

lacking a definition or value.

desuetude

English

(wikipedia desuetude)

Noun

  • disuse, obsolescence (for example, the state of a custom that is no longer observed nor practised)
  • *1819, Sir Walter Scott, Bride of Lammermoor
  • *:... we of the house of Ravenswood do our endeavour in keeping up, by all just and lawful exertion of our baronial authority, that due and fitting connexion betwixt superior and vassal, which is in some danger of falling into desuetude , owing to the general license and misrule of these present unhappy times.

    • 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