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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.

I now take so many pills twice a day, my 65-year-old mom gifted me an unused pill case she had bought for herself.

From Slate • May 23, 2026

However, I understand the tax consequences my estate will face for any unused portion of my health-savings account.

From MarketWatch • May 21, 2026

He adds, “Building an ADU on unused space lets you keep the garage and, like with Julie’s ADU, creates a spacious, private front patio connected to her studio and living room.”

From Los Angeles Times • May 18, 2026

“Over the years, millions of dollars in unused miles and points have been rendered useless due to airline shutdowns,” said McGee.

From The Wall Street Journal • May 2, 2026

With fingers unused to such tasks, he untangled my hair and brushed it until my head ached.

From "Ophelia" by Lisa Klein

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