dis·​in·​fest | \ ˌdis-in-ˈfest How to pronounce disinfest (audio) \
disinfested; disinfesting; disinfests

Definition of disinfest

transitive verb

: to rid of small animal pests (such as insects or rodents)

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Other Words from disinfest

disinfestation \ (ˌ)dis-​ˌin-​ˌfe-​ˈstā-​shən How to pronounce disinfest (audio) \ noun

Examples of disinfest in a Sentence

Recent Examples on the Web Large enough to disinfest entire trucks loaded up with furniture, the sheds used Zyklon B to produce hydrogen cyanide gas, the same chemical used by the Nazis in their death camps. Jo Caird, Smithsonian Magazine, "This London Building Tells the Story of a Century’s Worth of Disease and Epidemics," 5 Apr. 2021

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

First Known Use of disinfest

circa 1920, in the meaning defined above

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Time Traveler for disinfest

Time Traveler

The first known use of disinfest was circa 1920

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Last Updated

17 Apr 2021

Cite this Entry

“Disinfest.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/disinfest. Accessed 17 May. 2021.

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More Definitions for disinfest


transitive verb
dis·​in·​fest | \ ˌdis-ᵊn-ˈfest How to pronounce disinfest (audio) \

Medical Definition of disinfest

: to rid of small animal pests (as insects)

Other Words from disinfest

disinfestation \ (ˌ)dis-​ˌin-​ˌfes-​ˈtā-​shən How to pronounce disinfest (audio) \ noun

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