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.
Tips: Because conventional lemons are often sprayed with pesticides, this recipe calls for organic lemons. The New York Times News Service Syndicate, San Diego Union-Tribune, 4 June 2025 In my home state of California, a giant scandal erupted in June 2024 when the Los Angeles Times and Weed Week reported that many cannabis brands were contaminated with pesticides and heavy metals despite lab testing being a big part of the regulatory framework for legalization. Andrew Deangelo, Forbes.com, 30 May 2025 Enter neem oil, the natural pesticide that is recommended for so many plant problems. Brandee Gruener, Southern Living, 28 May 2025 Barfield, frustrated with dolphins eating snapper caught by his clients, used a toxic pesticide to poison the dolphins and shot them during fishing trips, including in front of children, prosecutors say. Miami Herald, 24 May 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 7 Jun. 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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