Synonyms of pesticidenext
: an agent used to destroy pests

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.
The talks come as the war in Iran has driven up global prices for oil, gasoline and products such as fertilizers and pesticides, prompting governments to rethink energy policies and investment in renewable sources such as wind and solar. — Suzan Fraser, Los Angeles Times, 11 Nov. 2026 Restricted pesticides are products that are hazardous to public health, farmworkers, the environment and wildlife. — Lizzie Kane, Sacbee.com, 10 Nov. 2026 The very same carcinogenic pesticide that MAHA cares about most. — Marni Rose McFall, MSNBC Newsweek, 9 Nov. 2026 María uses no chemicals, makes her own organic fertilizers, and, since 2023, has trained in protecting soil and crops without pesticides. — Lys Arango, Vogue, 8 Nov. 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 13 Nov. 2026.

Kids Definition

pesticide

noun
: a substance used to destroy pests
pesticidal
ˌpes-tə-ˈsīd-ᵊl
adjective

Medical Definition

pesticide

noun
: an agent used to destroy pests

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