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.
Smart farming solutions optimize waste, water, fertilizer and pesticide use. Somdip Dey, Forbes.com, 8 July 2025 So far, officials have advised local workers and residents to combat swarms by spraying water or using sticky pads instead of chemical pesticides. Laura Sharman, CNN Money, 4 July 2025 Health inspection reports for June 8 through June 21 Health inspection reports for June 15 through June 21 Health inspection reports for June 22 through June 28 Arlington Dickey’s Barbecue was found to have a roach infestation and use of restricted pesticides which forced them to shut down. Fort Worth Star-Telegram, 3 July 2025 Avoid pesticide use Only put water or hummingbird food in the bird feeder How to make hummingbird nectar Creating your own nectar is a simple way to attract them to your backyard. Brandi D. Addison, Austin American Statesman, 3 July 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 13 Jul. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!