undulant fever


: a persistent human brucellosis marked especially by remittent fever, weakness, headache, chills, and weight loss and contracted by contact with infected domestic animals or consumption of their products

Examples of undulant fever in a Sentence

Recent Examples on the Web In humans, a brucellosis infection can cause undulant fever and fatigue. Jim Robbins Michael Hanson, New York Times, 4 Apr. 2023 About one-third of 119 hogs trapped at Congaree National Park from 2006-2010 carried pseudorabies and brucellosis, the latter of which can be transmitted to humans and cause what’s known as undulant fever. Sammy Fretwell, charlotteobserver, 23 Dec. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'undulant fever.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1896, in the meaning defined above

Time Traveler
The first known use of undulant fever was in 1896

Dictionary Entries Near undulant fever

Cite this Entry

“Undulant fever.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undulant%20fever. Accessed 20 May. 2024.

Kids Definition

undulant fever

: a human disease that is caused by a bacterium and is marked by weakness, chills, weight loss, and a fever that comes and goes and is passed on by contact with infected domestic animals

Medical Definition

undulant fever

un·​du·​lant fever ˈən-jə-lənt- How to pronounce undulant fever (audio) ˈən-d(y)ə- How to pronounce undulant fever (audio)

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