Dictionary.com
Thesaurus.com
Synonyms

unused

American  
[uhn-yoozd, uhn-yoost] / ʌnˈyuzd, ʌnˈyust /

adjective

  1. not used; not put to use.

    an unused room.

  2. never having been used.

    an unused postage stamp.

  3. not accustomed.

    unused to cold winters.


unused British  

adjective

  1. not being or never having been made use of

  2. 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

Etymology

Origin of unused

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To top it off, LendingTree has found that most people are sitting on unused points.

From MarketWatch • Jun. 9, 2026

Under pressure from Edison and the other companies, the rule was weakened to allow utilities to keep the unused lines in place until executives decided they were “permanently abandoned.”

From Los Angeles Times • Jun. 9, 2026

Prior Olympics hosts have also suffered consequences of building huge sports infrastructure that goes unused after the games conclude, creating more of a cost than a benefit to the region.

From Salon • Jun. 3, 2026

Parents can use 529 accounts for tax-advantaged education savings, with unused funds transferable to a Roth IRA after 15 years.

From The Wall Street Journal • May 23, 2026

‘Say a captain of the Rangers, who are unused to cities and houses of stone.’

From "The Return of the King" by J.R.R. Tolkien

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "unused" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com