rodenticide

noun

ro·​den·​ti·​cide rō-ˈden-tə-ˌsīd How to pronounce rodenticide (audio)
: an agent that kills, repels, or controls rodents

Examples of rodenticide 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 good news is there are plenty of natural solutions for mice in pantry and other kitchen spaces that don’t rely on chemical rodenticides and won’t require a call to your local pest control company. Lauren Landers, The Spruce, 7 Jan. 2026 Connecticut saw several environmental laws pass in 2025, from strengthening protections on toxic rodenticides use to further restricting forever chemicals, yet lawmakers say this year will see even greater focus on key environmental issues. Stephen Underwood, Hartford Courant, 2 Jan. 2026 Toxic substances such as pesticides and rodenticides that can be found outdoors also pose some serious health risks. Maria Azzurra Volpe, MSNBC Newsweek, 22 Oct. 2025 It was historically used as a rodenticide and insecticide, but was banned for U.S. household use in 1965, according to the National Institute of Health. Trent Abrego, Twin Cities, 6 Sep. 2025 See All Example Sentences for rodenticide

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of rodenticide was in 1903

Browse Nearby Words

Cite this Entry

“Rodenticide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rodenticide. Accessed 12 Jan. 2026.

Kids Definition

rodenticide

noun
ro·​den·​ti·​cide rō-ˈdent-ə-ˌsīd How to pronounce rodenticide (audio)
: a chemical substance used to kill rodents

Medical Definition

rodenticide

noun
ro·​den·​ti·​cide rō-ˈdent-ə-ˌsīd How to pronounce rodenticide (audio)
: an agent that kills, repels, or controls rodents

More from Merriam-Webster on rodenticide

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!