antifeedant

noun

an·​ti·​feed·​ant ¦an-ˌtī-¦fē-dᵊnt How to pronounce antifeedant (audio)
¦an-tē-
plural antifeedants
: a natural or synthetic substance that stops or inhibits feeding by a pest and especially an insect
… pesticides derived from plants such as the neem tree, which act as antifeedants and repellents.Sheila Daar, A New Look at Vegetables, Spring 1993

Word History

First Known Use

1969, in the meaning defined above

Time Traveler
The first known use of antifeedant was in 1969

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Cite this Entry

“Antifeedant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antifeedant. Accessed 24 Feb. 2024.

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