Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

deet

play
noun, often all capitalized \ˈdēt\

Definition of deet

  1. :  a colorless oily liquid insect and tick repellent C12H17NO



Origin and Etymology of deet

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


First Known Use: 1962


Medical Dictionary

deet

play
noun , often all capitalized \ˈdēt\

Medical Definition of deet

  1. :  a colorless oily liquid insect and tick repellent C12H17NO




Learn More about deet

  1. Medical Dictionary: Definition of deet


Seen and Heard

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

WORD OF THE DAY

mysterious, holy, or spiritual

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

torrent rebellion interruption megillah
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ