1
: a fever (such as malaria) marked by paroxysms (see paroxysm sense 1) of chills, fever, and sweating that recur at regular intervals
2
: a fit of shivering
aguish adjective

Examples of ague 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.
Now ague, biliousness, lumbago, Saint Vitus’s dance and dropsy. Washington Post, 24 Aug. 2019 The Bolt’s +200-mile range puts it beyond the nagging agues of range anxiety. Dan Neil, WSJ, 19 Oct. 2017 Arnaud described a patient called Louis, a French army officer who had served in Tonkin (in Vietnam) but who had been sent home suffering from 'ague' (probably malaria) and symptoms of amnesia, possibly as a result of cerebral malaria. Neuroskeptic, Discover Magazine, 28 May 2016

Word History

Etymology

Middle English, from Anglo-French ague, from Medieval Latin (febris) acuta, literally, sharp fever, from Latin, feminine of acutus sharp — more at acute

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of ague was in the 14th century

Browse Nearby Words

Cite this Entry

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

Kids Definition

ague

noun
1
: a fever (as malaria) marked by outbreaks of chills, fever, and sweating that recur at regular intervals
2
: a fit of shivering : chill

Medical Definition

ague

noun
1
: a fever (as malaria) marked by paroxysms of chills, fever, and sweating that recur at regular intervals
2
: a fit of shivering : chill
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