archenemy

noun

arch·​en·​e·​my (ˌ)ärch-ˈe-nə-mē How to pronounce archenemy (audio)
plural archenemies
Synonyms of archenemynext
: a principal enemy

Examples of archenemy in a Sentence

The two politicians were archenemies. The country went to war with its archenemy.
Recent Examples on the Web
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Various nemeses and side characters enter the fray, from Jim’s archenemy (and also Insta-famous) Pavel to the scally with a sneaker-sniffing fetish who guides Jim and Lucien to their next destination. Ryan Lattanzio, IndieWire, 17 May 2026 But its primary archenemy is Israel and Jews, who are frequently targeted by its proxies. The Week Us, TheWeek, 6 Apr. 2026 Nearly two centuries later, in the throes of the Cold War, CDC scientists teamed up with their counterparts from America’s archenemy, the Soviet Union, to wipe smallpox from the planet. Patricia Callahan, ProPublica, 19 Mar. 2026 Let’s hope the Islamic Republic, feeling cornered and fighting for its own survival, doesn’t resort to the very same tactics its once archenemy Saddam used. Javier Blas, Twin Cities, 9 Mar. 2026 See All Example Sentences for archenemy

Word History

First Known Use

1550, in the meaning defined above

Time Traveler
The first known use of archenemy was in 1550

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Cite this Entry

“Archenemy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/archenemy. Accessed 23 May. 2026.

Kids Definition

archenemy

noun
arch·​en·​e·​my (ˈ)ärch-ˈen-ə-mē How to pronounce archenemy (audio)
: a principal enemy

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