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.
Additionally, pesticides applied to Christmas trees may introduce unwanted materials into our waters. Jalen Williams, Freep.com, 26 Dec. 2025 Ground level ozone forms as a result of interactions between vehicle and industrial emissions and volatile organic compounds, chemicals in the air that come from a variety of sources, including pesticides. Alonso Daboub, Mercury News, 22 Dec. 2025 While its fungus-resistant nature reduces the need for pesticides and is considered an advantage in a changing climate, the house’s dedication is to old varieties and traditional agriculture, not novelty or experimental pours. Mike Desimone, Robb Report, 21 Dec. 2025 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 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 28 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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