Simple Definition of DEET

from our Learner's Dictionary

DEET

noun

ˈdiːt
chiefly US : a chemical that is used to keep insects away from people and animals

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“DEET.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/DEET. Accessed 14 Apr. 2026.

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