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.
While some issues are known—for example, habitat loss, non-native plants, artificial light at night, climate and pesticides—scientists need to know a lot more about the drivers and consequences of the decline to conserve insects while protecting human needs. Madeline Bodin, Smithsonian Magazine, 27 June 2025 Reducing fertilizer and pesticide use, raising cattle on grass instead of grain—these may sound like community-minded, environmentally friendly options. Elizabeth Kolbert, New Yorker, 23 June 2025 The global Pesticide Atlas reports that pesticide use increased by 80 percent from 1990 and 2017. Kate Raphael, Discover Magazine, 23 June 2025 Pineapples, sweet corn, avocados, papaya, and onions have some of the lowest amounts of pesticide residues based on EWG's testing. Fran Kritz, Verywell Health, 20 June 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 2 Jul. 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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