• synonyms


[dee-lous, -louz]
verb (used with object), de·loused, de·lous·ing.
  1. to free of lice; remove lice from.
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Origin of delouse

First recorded in 1915–20; de- + louse
Related formsde·lous·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for delouse


  1. (tr) to rid (a person or animal) of lice as a sanitary measure
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for delouse


1918, from de- + louse. First used in reference to World War I armies. Related: Deloused; delousing.

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Online Etymology Dictionary, © 2010 Douglas Harper