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Vac vs Undefined - What's the difference?

vac | undefined |

As a noun vac

is (informal) a vacation.

As a verb vac

is to vacuum; to clean with a vacuum cleaner.

As an adjective undefined is

lacking a definition or value.

vac

English

Noun

(en noun)
  • (informal) A vacation.
  • * 1978 , (Lawrence Durrell), Livia'', Faber & Faber 1992 (''Avignon Quintet ), p. 324:
    • It was to be their last term at Oxford and Hilary had incited them both to journey with him to Provence for the long vac .
  • (informal) A vacuum cleaner.

    • Derived terms

    * (vacuum cleaner) minivac

    Verb

    (vack)
  • To vacuum; to clean with a vacuum cleaner.
  • * 2010 , Alan Hollinghurst, The Folding Star (page 332)
    • I went on to how Harold used to work in security on the building; he used to see Andy in the underground car-park vacking the sick out of the Merc.

    Anagrams

    * (l) ----

    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