unopened

adjective

un·​opened ˌən-ˈō-pənd How to pronounce unopened (audio)
-pᵊmd
: not opened
unopened mail
an unopened window
a letter that was returned unopened

Examples of unopened in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Meanwhile, the ring sat unopened in a drawer. Katherine Moses, The Conversation, 13 Mar. 2026 An unopened bottle of hydrogen peroxide typically lasts around three years, and once opened, expires in six months. Nishaa Sharma, The Spruce, 5 Mar. 2026 How Long Potting Soil Lasts Potting soil typically degrades after nine to 12 months once the bag is opened and can last up to two years when unopened, says Scott. Sj McShane, Martha Stewart, 3 Mar. 2026 Canned beans generally have a longer shelf life—typically lasting several years when unopened. Katie Rosenhouse, Southern Living, 26 Feb. 2026 See All Example Sentences for unopened

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of unopened was in the 14th century

Browse Nearby Words

Cite this Entry

“Unopened.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unopened. Accessed 31 Mar. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster