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.
What about all the pesticides and herbicides and hormones and antibiotics and bioengineering in conventional foods? Greg Rosalsky, NPR, 1 Apr. 2025 In a study published in the journal Mutation Research, University of Washington researchers found that exposure to the pesticide raises the risk of non-Hodgkin lymphoma by 41%. Ashley J. Dimella Fox News, FOXNews.com, 1 Apr. 2025 General liquid pesticides: Ready-to-use sprays can be applied to the foundation to discourage ants (and other insects) from entering in the first place. Evan Moore, Charlotte Observer, 31 Mar. 2025 The three primary threats to pollinators are habitat loss, pesticide use and climate change, Cornelisse said. Doyle Rice, USA Today, 28 Mar. 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 14 Apr. 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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