unopened

adjective

un·​opened ˌən-ˈō-pənd 

-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

The burn box was found unopened in its original box and was not tested by evidence technicians. — Jason Kravarik, CNN Money, 25 July 2026

After absentee ballots are accounted for, Election Day ballots will begin next, which until then remain in an unopened envelope. — Angela George, Sioux Falls Argus Leader, 8 July 2026

An unopened jar keeps well in the pantry, though it should be refrigerated after opening. — Olivia McIntosh, Martha Stewart, 8 July 2026

But the envelope made out to Berent was returned unopened by the Department of State’s Office of General Counsel in May of this year. — Rhoda Feng, Los Angeles Times, 7 July 2026

Word History

First Known Use

14th century, in the meaning defined above

Rhymes for unopened

• opened
• reopened