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

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.
While applying pre-emergent herbicides in September or October is the best defense against these weeds, mowing in late fall and winter can help manage any that appear after the herbicide window. Megan Hughes, Better Homes & Gardens, 2 Oct. 2025 To do so, executives will spin off SpinCo to lead the seed business while rebranding Corteva to New Corteva to offer herbicides, fungicides and other pesticide products that protect crops. Alysa Guffey, IndyStar, 1 Oct. 2025 Always read directions and take precautions when using these herbicides. Mary Marlowe Leverette, Southern Living, 28 Sep. 2025 Problem is, pre-emergent herbicides work by killing newly germinating seeds — all seeds. Paul Cappiello, Louisville Courier Journal, 24 Sep. 2025 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 6 Oct. 2025.

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
Last Updated: - Updated example sentences
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