monkeypox

noun

mon·​key·​pox ˈməŋ-kē-ˌpäks How to pronounce monkeypox (audio)
: mpox

Note: This disease was first identified in monkeys in 1958, although the natural reservoir (see reservoir sense 3a) has not been identified. The virus has been found in various animals including rodents and primates.

Note: As of 2022, the World Health Organization (WHO) uses the name mpox to refer to this disease due to the stigmatizing nature of the original name.

Examples of monkeypox 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.
Since 2014, the world has faced COVID-19, Zika, monkeypox, avian influenza concerns, expanding antimicrobial resistance, and recurring hemorrhagic-fever outbreaks. Steve Brozak, Forbes.com, 25 May 2026 The federal government's disease-tracking agency has paused its diagnostic testing for rabies, monkeypox and a number of other infectious diseases. CBS News, 2 Apr. 2026 The federal government’s disease-tracking agency has paused its diagnostic testing for rabies, monkeypox and a number of other infectious diseases. CNN Money, 2 Apr. 2026 Threats include bacterial and viral diseases such as monkeypox, leptospirosis and salmonellosis, according to the Centers for Disease Control and Prevention (CDC). Ashley J. Dimella, FOXNews.com, 16 Dec. 2025 See All Example Sentences for monkeypox

Word History

First Known Use

1960, in the meaning defined above

Time Traveler
The first known use of monkeypox was in 1960

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Cite this Entry

“Monkeypox.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/monkeypox. Accessed 5 Jul. 2026.

Medical Definition

monkeypox

noun
mon·​key·​pox ˈməŋ-kē-ˌpäks How to pronounce monkeypox (audio)
: mpox

Note: As of 2022, the World Health Organization (WHO) uses the name mpox to refer to this disease due to the stigmatizing nature of the original name.

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