[uhn-yoozd for 1, 2; uhn-yoost for 3]


not used; not put to use: an unused room.
never having been used: an unused postage stamp.
not accustomed: unused to cold winters.

Nearby words

  1. ununquadium,
  2. ununseptium,
  3. ununtrium,
  4. unununium,
  5. unusable,
  6. unusual,
  7. unusuality,
  8. unusually,
  9. unutterable,
  10. unvaccinated

Origin of unused

Middle English word dating back to 1250–1300; see origin at un-1, used

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unused

British Dictionary definitions for unused



(ʌnˈjuːzd) not being or never having been made use of
(ʌnˈjuːst) (postpositive foll by to) not accustomed or used (to something)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unused



c.1300, "unaccustomed," from un- (1) "not" + past participle of use (v.). Meaning "not employed" is recorded from late 14c.

Online Etymology Dictionary, © 2010 Douglas Harper