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United States

noun

Unit·​ed States yu̇-ˈnī-təd- How to pronounce United States (audio)
especially Southern ˈyü-ˌnī-
plural in form but singular or plural in construction
: a federation of states especially when forming a nation in a usually specified territory
advocating a United States of Europe

Word History

First Known Use

1600, in the meaning defined above

Time Traveler
The first known use of United States was in 1600

Cite this Entry

“United States.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/United%20States. Accessed 1 Dec. 2025.

More from Merriam-Webster on United States

Last Updated: - Definition revised
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