pesticide

noun

pes·​ti·​cide ˈpe-stə-ˌsīd How to pronounce pesticide (audio)
Synonyms of pesticidenext
: an agent used to destroy pests
pesticidal adjective

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.
Controlled irrigation, pesticides and new fertilizers can turn once-unusable land into farms. Arkansas Online, 19 Mar. 2026 There’s also the pesticides – all kinds of toxicity are in stuff in legal dispensaries that’s certainly not being detected. Stuart Miller, Oc Register, 18 Mar. 2026 The labor and civil rights leader secured higher wages, health benefits, pensions and pesticide protections for farmworkers during her decades of organizing and advocacy on their behalf. ABC News, 18 Mar. 2026 The union focused on organizing agricultural workers facing low wages, pesticide exposure and limited access to healthcare. Paris Barraza, USA Today, 17 Mar. 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 21 Mar. 2026.

Kids Definition

pesticide

noun
pes·​ti·​cide ˈpes-tə-ˌsīd How to pronounce pesticide (audio)
: a substance used to destroy pests
pesticidal
ˌpes-tə-ˈsīd-ᵊl
adjective

Medical Definition

pesticide

noun
pes·​ti·​cide ˈpes-tə-ˌsīd How to pronounce pesticide (audio)
: an agent used to destroy pests
Last Updated: - Updated example sentences
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