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.
Reiner’s father opposed the Communist hunt of McCarthyism in the 1950s and his mother, Estelle Reiner, a singer and actor, protested the Vietnam War. Jake Coyle, Fortune, 15 Dec. 2025 Reiner's father opposed the Communist hunt of McCarthyism in the 1950s and his mother, Estelle Reiner, a singer and actor, protested the Vietnam War. CBS News, 15 Dec. 2025 Spacey likened his predicament to the experiences of actors of yore, who were swept into the Hollywood blacklist as a result of McCarthyism. Zac Ntim, Deadline, 27 Nov. 2025 Einstein’s philosophical battle against McCarthyism began with a letter to a Brooklyn high school teacher named William Frauenglass. Jodie Childers, The Conversation, 20 Nov. 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 Dec. 2025.

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