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
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That's unfathomable, that's unacceptable, that's unconscionable, and that's un-American. John Parkinson, ABC News, 30 Sep. 2025 That's not legal, that's not American, that is un-American. Edward Segarra, USA Today, 24 Sep. 2025 His recent executive order creating special National Guard units in all 50 states to intervene in civilian law enforcement matters is an un-American assault on local governance. Ted Wheeler, MSNBC Newsweek, 15 Sep. 2025 On Saturday, Johnson argued that sending the military to get involved in anti-crime operations in the country’s biggest city is un-American. Emily Hallas, The Washington Examiner, 30 Aug. 2025 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 7 Oct. 2025.

Kids Definition

un-American

adjective
un-Amer·​i·​can
ˌən-ə-ˈmer-ə-kən
: not American
Last Updated: - Updated example sentences
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