de·​louse | \ (ˌ)dē-ˈlau̇s How to pronounce delouse (audio) , -ˈlau̇z \
deloused; delousing; delouses

Definition of delouse

transitive verb

: to remove lice from

Examples of delouse in a Sentence

Recent Examples on the Web He was fingerprinted, photographed, made to strip and told to brace himself for a tub of delousing liquid. Lizzie Presser, ProPublica, "When Medical Debt Collectors Decide Who Gets Arrested," 16 Oct. 2019 Taking the opposing view is Alexios Mantzarlis, the head of the International Fact-Checking Network at the Poynter Institute, who is working with Facebook to delouse the News Feed of falsehoods. Derek Thompson, The Atlantic, "Why Can’t Facebook Tell the Truth?," 10 May 2018 If Lice Busters is the Old Navy of delousing, Licenders is the J. Crew. Amy Sohn, New York Times, "The Lice Ladies of Brooklyn Go Corporate," 8 June 2017 The Mars Volta: Deloused in the Comatorium (2003), Frances the Mute (2005), Amputechture (2006), The Bedlam in Goliath (2008), Octahedron (2009) Scott Thill, WIRED, "Listen Up! Best Music of the Millennium … So Far," 24 Dec. 2009

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'delouse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of delouse

circa 1919, in the meaning defined above

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Time Traveler for delouse

Time Traveler

The first known use of delouse was circa 1919

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Cite this Entry

“Delouse.” Dictionary, Merriam-Webster, Accessed 4 Mar. 2021.

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More Definitions for delouse



English Language Learners Definition of delouse

: to remove lice from (someone or something)


transitive verb
de·​louse | \ (ˈ)dē-ˈlau̇s How to pronounce delouse (audio) , -ˈlau̇z How to pronounce delouse (audio) \
deloused; delousing

Medical Definition of delouse

: to remove lice from

Comments on delouse

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