[dee-lous, -louz]

verb (used with object), de·loused, de·lous·ing.

to free of lice; remove lice from.

Origin of delouse

First recorded in 1915–20; de- + louse
Related formsde·lous·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for delouse



(tr) to rid (a person or animal) of lice as a sanitary measure
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.

Online Etymology Dictionary, © 2010 Douglas Harper