herbicide

noun

her·​bi·​cide ˈ(h)ər-bə-ˌsīd How to pronounce herbicide (audio)
Synonyms of herbicidenext
: an agent used to destroy or inhibit plant growth
herbicidal adjective
herbicidally adverb

Examples of herbicide 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.
Matt Tutt, head gardener and food grower at Aguacateros, doesn't like to use herbicides and will avoid their use where possible. Emily Hayes, Martha Stewart, 27 June 2026 The announcement came the same day the Supreme Court shielded the maker of the herbicide Roundup from most cancer-warning lawsuits. Los Angeles Times, 26 June 2026 There are alternative herbicides, but some farmers warn that those could involve chemicals that risk killing the plant if not applied carefully. ABC News, 25 June 2026 Lawsuit from the 'spray guy' Introduced in the 1970s, Roundup quickly became the top-selling herbicide in the United States and integral to farming. Maureen Groppe, USA Today, 25 June 2026 See All Example Sentences for herbicide

Word History

Etymology

Latin herba + International Scientific Vocabulary -cide

First Known Use

1899, in the meaning defined above

Time Traveler
The first known use of herbicide was in 1899

Browse Nearby Words

Cite this Entry

“Herbicide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/herbicide. Accessed 28 Jun. 2026.

Kids Definition

herbicide

noun
her·​bi·​cide ˈ(h)ər-bə-ˌsīd How to pronounce herbicide (audio)
: a chemical substance used to destroy or stop plant growth
herbicidal adjective

Medical Definition

herbicide

noun
her·​bi·​cide ˈ(h)ər-bə-ˌsīd How to pronounce herbicide (audio)
: an agent used to destroy or inhibit plant growth
herbicidal adjective
herbicidally adverb
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