Synonyms of pesticidenext
: an agent used to destroy pests

Examples of pesticide in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
They should not have been treated with pesticides, and should be food-grade if buying from a local florist. Melissa Kravitz Hoeffner, Martha Stewart, 27 June 2026 He was covered from neck to boots in fabrics soaked with permethrin—a pesticide modelled on the toxic pyrethrin found in chrysanthemum flowers. Burkhard Bilger, New Yorker, 29 June 2026 The species went into decline for a number of reasons, including pesticides and a disease known as white-nose syndrome, federal officials say. Mark Price june 28, Charlotte Observer, 28 June 2026 Over the past decade, vertical farming has grown explosively - in concert with a global quest for fresh, organic, pesticide free vegetables, grown locally. Sabbir Rangwala, Forbes.com, 29 June 2026 See All Example Sentences for pesticide

Word History

First Known Use

circa 1925, in the meaning defined above

Time Traveler
The first known use of pesticide was circa 1925

Browse Nearby Words

Cite this Entry

“Pesticide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pesticide. Accessed 8 Jul. 2026.

Kids Definition

pesticide

noun
: a substance used to destroy pests
pesticidal
ˌpes-tə-ˈsīd-ᵊl
adjective

Medical Definition

pesticide

noun
: an agent used to destroy pests
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