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.
Bed bugs have been a persistent problem in Paris in recent years, with the blame placed on the city’s popularity as a global tourist destination as well as the blood-sucking parasites’ growing resistance to pesticides. Melanie Goodfellow, Deadline, 18 Dec. 2025 Buying organic does reduce pesticide levels, but that’s not part of ultraprocessing. Sandee Lamotte, CNN Money, 14 Dec. 2025 Items that can be dropped off include aerosol cans, automotive fluids, automotive and household batteries, bathroom cleaners, carpet cleaners, cooking oil, drain cleaners, fertilizers, paint, light bulbs, and pesticides. Debra Skodack, Kansas City Star, 10 Dec. 2025 Indevin and Vinarchy will use synthetic pesticides and fertilizers in their vineyards, with the former rolling back organic practices at about 250 of its 320 acres, while the latter is reverting 200 of its 370 acres to conventional farming practices. Jeremy Repanich, Robb Report, 10 Dec. 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 20 Dec. 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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