pesticide

noun

pes·​ti·​cide ˈpe-stə-ˌsīd How to pronounce pesticide (audio)
: 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.
Compared to other toxins in the environment like plasticizers and pesticides, outdoor air pollution is the most harmful type based on current evidence causing millions of deaths per year. Matt Fuchs, Time, 10 Sep. 2025 The report’s suggestions include calls for more research on the impact of cumulative exposure, as well as more support of technology like precision agriculture, which could decrease the amounts of pesticides applied to crops. Chloe Sorvino, Forbes.com, 10 Sep. 2025 Saeed also argues that organic produce can be just as heavily sprayed as other produce and that organic pesticides may have a high level of toxicity. Joshua Siskin, Oc Register, 10 Sep. 2025 The science is clear on the harmful health impacts of farmers directly spraying pesticides, but less clear when studied in low levels carried through to food, said Mozaffarian. Will McDuffie, ABC News, 9 Sep. 2025 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 13 Sep. 2025.

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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