un-American

adjective

un-Amer·​i·​can ˌən-ə-ˈmer-ə-kən How to pronounce un-American (audio)
: not American : not characteristic of or consistent with American customs, principles, or traditions

Examples of un-American 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.
While enforcement can concern legal residents, many fears are amplified by groups that have promoted un-American policies like sanctuary cities that undermine the rule of law and our country’s social fabric. Charlotte Observer, 11 Feb. 2026 Having violent, untrained and masked agents terrorizing our communities is unacceptable and un-American. Seth Klamann, Denver Post, 8 Feb. 2026 Those who helped him make America un-American must answer for themselves. Sun Sentinel Editorial Board, Sun Sentinel, 29 Jan. 2026 Kelly called it outrageous and un-American. Quil Lawrence, NPR, 5 Jan. 2026 See All Example Sentences for un-American

Word History

First Known Use

1818, in the meaning defined above

Time Traveler
The first known use of un-American was in 1818

Browse Nearby Words

Cite this Entry

“Un-American.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/un-American. Accessed 17 Feb. 2026.

Kids Definition

un-American

adjective
un-Amer·​i·​can
ˌən-ə-ˈmer-ə-kən
: not American
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!

More from Merriam-Webster