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.
Buffone said what makes her bread unique is the use of organic ingredients, nontoxic kitchen equipment and that her flour or bread has no pesticides. Sean Krofssik, Hartford Courant, 13 Mar. 2026 Since 2022, corn prices are down nearly 50% and soybeans 40%, while fertilizer and pesticide costs have barely eased—leaving corn farmers losing 85 cents per bushel, according to the National Corn Growers Association. Sasha Rogelberg, Fortune, 12 Mar. 2026 The Clean Label Project screened 134 products and found heavy metals, pesticides, and other contaminants in many protein powders. Karen Berger, Verywell Health, 11 Mar. 2026 Petrochemicals are also used to produce pesticides, herbicides and plastics used in irrigation systems and agricultural equipment. André O. Hudson, The Conversation, 11 Mar. 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 15 Mar. 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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