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Definition of delouse
delouse
/diːˈlaʊs/
de · louse
Past Simple:deloused
•Past Participle:deloused
•Present Participle:delousing
delouse Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Rare
Syllables
2
delouse Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To rid a person, animal, or place of lice or other parasitic insects.
Example
"The shelter staff had to bathe and delouse the stray dogs before placing them in the kennels."
Synonyms
View all synonyms for delouse Antonyms
View all antonyms for delouse• Rhymes for delouse
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Word Origin & Etymology
Coined in the early 20th century (specifically popularized during World War I) by combining the privative prefix de- ('to rid of') with louse, from Old English lūs ('parasitic insect').
Cite this Entry
Wordmom. (2026). Definition of Delouse. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/delouse