unseen

adjective

un·​seen ˌən-ˈsēn How to pronounce unseen (audio)
1
: not seen or perceived
2
: sight sense 1
an unseen translation

Examples of unseen 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.
Validate predictions by running simulations of the model on unseen data to ensure accuracy beyond training sets. Devadas Pattathil, Forbes.com, 14 Apr. 2025 One man alone has risked the first global trade war since the 1930s by raising tariffs to levels unseen for more than a century. Jeff Sommer, New York Times, 11 Apr. 2025 During their meeting, Xi told Sanchez that the world is undergoing accelerated changes unseen in a century. Nectar Gan, CNN Money, 11 Apr. 2025 Sampson, 69, has helmed the University of Houston men’s basketball program since 2014, leading the team to six Sweet Sixteen berths, three Elite Eight appearances, and two Final Four placements at the NCAA Men’s Division I Basketball Tournament — heights unseen for Houston since the early 1980s. Ryan Johnston, CNBC, 7 Apr. 2025 See All Example Sentences for unseen

Word History

First Known Use

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of unseen was in the 13th century

Cite this Entry

“Unseen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unseen. Accessed 23 Apr. 2025.

Kids Definition

unseen

adjective
un·​seen ˌən-ˈsēn How to pronounce unseen (audio)
ˈən-
: not seen : invisible

More from Merriam-Webster on unseen

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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