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 characterized chiefly by opposition to elements held to be subversive and by the use of tactics involving personal attacks on individuals by means of widely publicized indiscriminate allegations especially on the basis of unsubstantiated charges
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.
In 1950s America, Jews were central targets of McCarthyism and the Red Scare. Adam Jaffe, New York Daily News, 18 Mar. 2025 These events marked the beginning of the era of McCarthyism. Ruth Stout, noted ex-Communist, was never hauled before McCarthy’s committee. Jill Lepore, The New Yorker, 17 Mar. 2025 While at the podium at the SAG Awards, Fonda also spoke about resistance against McCarthyism, a period of anti-communist hysteria in the 1950s. Rebecca Rubin, Variety, 24 Feb. 2025 The film, co-written by Clooney and Heslov and directed by Clooney, depicted CBS journalist Murrow’s fight against senator Joseph McCarthy during the height of McCarthyism. Emily Zemler, Rolling Stone, 19 Feb. 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 23 Mar. 2025.

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