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Synonyms

unused

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

adjective

  1. not used; use; not put to use.

    an unused room.

  2. never having been used: use.

    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; 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.

A private sale bails out Mr. Ergen but is still preferable to letting Mr. Ergen sit on unused spectrum.

From The Wall Street Journal • Mar. 30, 2026

He said his aunt's house was built more than 60 years ago, and the unused cigarette filters and tips, were most likely from the local cigarette factory which has since closed its doors.

From BBC • Mar. 25, 2026

TV commercial breaks and Instagram algorithms are peppered with ads for AI-fueled platforms experimenting with AI that promise to cancel your unused subscriptions or find missed deductions in your taxes.

From MarketWatch • Mar. 19, 2026

With her final cash-out of $22,000 in remaining time off, she made a total of $62,000 last year — all tied to administrative leave and unused vacation time rather than time worked.

From Los Angeles Times • Mar. 16, 2026

The thought that such a perfect field was sitting unused made Luma angry.

From "Outcasts United: An American Town, a Refugee Team, and One Woman's Quest to Make a Difference" by Warren St. John