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.
Introduced crawling through the Trask family’s field, her black blood spattering their rich soil like a human pesticide, Cathy personifies the series’ potent blend of dread and beauty. — Ben Travers, IndieWire, 1 Oct. 2026 The platform, dubbed the Building A Healthier America Policy Agenda, takes aim at pesticides in food, backing legislation that would give people the right to sue pesticide manufacturers over harm caused by the products. — Kaia Hubbard, CBS News, 29 Sep. 2026 Control Apple maggot flies are closely monitored in susceptible regions, and small outbreaks can sometimes be managed without conventional pesticides. — Encyclopedia Britannica, 29 Sep. 2026 For example, cameras assess crop ripeness and detect infestations early, allowing pesticides to be applied only to plants that need treatment. — Angela Velasquez, Footwear News, 24 Sep. 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 6 Oct. 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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