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.
Jerry Wang, pest control expert with DIYPestWarehouse, with over 15 years of experience in the pest control and pesticide industry. Katie Cloyd, Martha Stewart, 10 Jan. 2026 For example, a standard soil test may run about $30, while an environmental testing lab screening for hazardous substance categories like asbestos and pesticide residue might run $200-400 (per category). Miri Talabac, Baltimore Sun, 9 Jan. 2026 After all, blueberries have been included in the Dirty Dozen List for fruits and vegetables that are most contaminated with pesticides. Katie Rosenhouse, Southern Living, 9 Jan. 2026 Florida found elevated levels of at least one heavy metal or pesticide, beyond federal limits, in 16 brands of formula. Katelyn Ferral, Sun Sentinel, 9 Jan. 2026 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 11 Jan. 2026.

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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