McCarthyism

noun

Mc·​Car·​thy·​ism mə-ˈkär-thē-ˌi-zəm How to pronounce McCarthyism (audio)
also -ˈkär-tē-
: a mid-20th century political attitude marked by opposition to elements held to be subversive and by the use of unsubstantiated and widely publicized personal attacks
broadly : defamation of character or reputation through such tactics
McCarthyist
mə-ˈkär-thē-ist How to pronounce McCarthyism (audio)
also -ˈkär-tē-
adjective
McCarthyite
mə-ˈkär-thē-ˌīt How to pronounce McCarthyism (audio)
also -ˈkär-tē-
noun or adjective

Examples of McCarthyism 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.
Advertisement Most notably, in 1958, congressional conservatives pushed to rein in the Warren Court for rulings that challenged and undercut the red-baiting that characterized the era of McCarthyism. Time, 14 Nov. 2025 That these connections were cemented during McCarthyism and the Red Scare — a time when the American way was perceived to be under threat — is no accident, Seaton said. Leah Asmelash, CNN Money, 19 Oct. 2025 The Palmer Raids gave way to the ACLU, McCarthyism to Edward R. Murrow’s broadcast, COINTELPRO to the Church Committee hearings—each reform born from exposure, not repentance. Alexis Coe, MSNBC Newsweek, 17 Oct. 2025 From the Sedition Act in the 1790s to McCarthyism in the 1950s and the Trump administration’s assault on the First Amendment, government has used its awesome powers to pursue and punish critics. Donald Nieman, The Conversation, 7 Oct. 2025 See All Example Sentences for McCarthyism

Word History

Etymology

Joseph R. McCarthy

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of McCarthyism was in 1950

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Cite this Entry

“McCarthyism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/McCarthyism. Accessed 18 Nov. 2025.

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