a problem with head lice
Her ex-husband is a real louse.
Recent Examples on the Web
Fleas and lice transmit the bacteria that causes typhus when the bugs defecate upon biting and the excrement infects the wound.—Maia Pandey, NBC News, 28 July 2023 On Walmart This foamy mousse uses enzymes rather than chemicals or pesticides to effectively remove louse and nits.—Alena Hall, Verywell Health, 6 Mar. 2023 Outbreaks of head lice typically happen at daycare centers and schools when direct contact allows a louse to crawl from one person’s hair into another.—Bill Sullivan, Discover Magazine, 5 June 2021 Mouse lemurs are parasitized by a particular species of louse, Lemurpediculus verruculosus, which feed off the lemurs' blood.—Christie Wilcox, Discover Magazine, 6 Apr. 2012 Check in on your sister who is married to the stubborn louse.—Annie Lane, oregonlive, 11 May 2023 More louse discoveries will surely come, thanks to improved technology.—Bridget Alex, Discover Magazine, 11 Nov. 2019 In some communities, lice are becoming resistant to that treatment.—Alena Hall, Verywell Health, 6 Mar. 2023 No one then understood that the disease was a bacterial infection, transmitted by lice and other vermin.—David Grann, The New Yorker, 28 Feb. 2023
Will Ferrell figure out a way to get along, their fathers (Mel Gibson, John Lithgow) show up for the holidays to louse everything up in this comedy sequel.—Chris Foran, Milwaukee Journal Sentinel, 31 Aug. 2017 See More
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'louse.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Noun and Verb
Middle English lous, from Old English lūs; akin to Old High German lūs louse, Welsh llau lice
First Known Use
before the 12th century, in the meaning defined at sense 1a