noun, often all capitalized
\ ˈdēt \

Definition of deet

: a colorless oily liquid insect and tick repellent C12H17NO

Examples of deet in a Sentence

Recent Examples on the Web

In addition to providing deets on Ari's pony, Chris shared how the pop star manages to get her hair to shine. Lauren Rearick, Allure, "Ariana Grande's Ponytail Height Always Matches Her Mood, Says Hairstylist Chris Appleton," 24 Aug. 2018 In addition to providing deets on Ari's pony, Chris shared how the pop star manages to get her long locks to shine. Lauren Rearick, Teen Vogue, "Ariana Grande's Hair Stylist Explained What the Heights of Her Ponytail Mean," 23 Aug. 2018 The deets: Assembled by Magna Steyr in Graz, Austria, the 4,784-pound compact crossover is built on a palpably stiff aluminum monocoque dressed in alloy body panels. Dan Neil, WSJ, "2019 Jaguar I-Pace: An Electric SUV Hot on Tesla’s Heels," 21 Sep. 2018 Spray insect repellent with deet or permethrin and wear long sleeves and pants to help protect your skin from these blood-drinking parasites. Caroline Picard, Good Housekeeping, "QUIZ: Can You Identify These Dangerous Summer Plants and Bugs?," 3 Aug. 2018 The deets: All guests get unlimited tastings of doughnuts from some of Chicago’s favorite shops, as well as three drink tickets to redeem for beer or mimosas. Adam Lukach, RedEye Chicago, "5 things to do this weekend in Chicago," 19 Apr. 2018 It should be noted that with little ones, deet can be used on babies older than 2 months, while OLE should only be applied to children who are at least 3 years old. Kari Molvar, Vogue, "The Best Bug Sprays for a Bite-Proof Summer, According to the Pros," 18 June 2018 Markle reportedly flew halfway around to world to talk deets with her mom in L.A. earlier in April. Caroline Picard, Good Housekeeping, "Meghan Markle's Mom Sounds Like the Coolest Person Ever," 1 May 2018 This week in transportation/Michael Cohen crossovers: President Donald Trump’s personal attorney tried to convince Ford and Uber to pay him for deets on the incoming Trump administration. Aarian Marshall, WIRED, "This Week in the Future of Cars: Who's In Charge Here, Anyway?," 18 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deet.' 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 deet

1961, in the meaning defined above

History and Etymology for deet

probably from d. e. t., from di- + ethyl + toluamide (C8H9NO)

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Statistics for deet

Last Updated

21 Dec 2018

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Time Traveler for deet

The first known use of deet was in 1961

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More Definitions for deet


noun, often all capitalized
\ ˈdēt \

Medical Definition of deet

: a colorless oily liquid insect and tick repellent C12H17NO

More from Merriam-Webster on deet

Rhyming Dictionary: Words that rhyme with deet

Comments on deet

What made you want to look up deet? Please tell us where you read or heard it (including the quote, if possible).


to express emotion in a dramatic way

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