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.
When spots of weedy growths are relatively small, use of a herbicide made for the lawn type could be a good control. Tom MacCubbin, The Orlando Sentinel, 16 May 2026 Boiling water acts as a contact herbicide that inflicts thermal shock on the weeds' plant cells. David Beaulieu, The Spruce, 16 May 2026 Taylor says that the process of making the tea will not remove existing chemicals from the grass blades, so this shouldn’t be done with grass that has been treated with herbicides and pesticides. Lauren Wellbank, Martha Stewart, 15 May 2026 In addition to cutting down the fees associated with lawn-maintenance equipment, fertilizers, and herbicides, buying clover seed is often less expensive than grass. Hallie Milstein, Southern Living, 13 May 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 21 May. 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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