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.
Potential toxins: Research indicates that many protein supplements contain low to significant quantities of toxins, heavy metals, pesticides, and other chemicals linked to cancer and other health problems. Anna Giorgi, Verywell Health, 21 Mar. 2025 Others trace back to the widespread use of pesticides in crops that contained heavy metals, Mande said. Jeanine Santucci, USA TODAY, 15 Mar. 2025 Cicadas are not a threat to humans to animals, the experts said, imploring those who encounter them to avoid killing them -- whether by squishing them or spraying them with pesticides. Julia Jacobo, ABC News, 15 Mar. 2025 Climate change, pesticides and loss of habitat are continuing threats to bird populations. Amanda Kooser, Forbes, 14 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 28 Mar. 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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