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.
Finally, some fertilizers, herbicides and pesticides also contain heavy metals that can further contaminate soil and local water. C. Michael White, The Conversation, 14 Oct. 2025 The trees produce a natural herbicide in their seed pods and roots that prevents other plant growth below the tree. Jenna Prestininzi, Freep.com, 9 Oct. 2025 Use a pre-emergence herbicide before winter if weeds have been taking over the lawn. Brandee Gruener, Southern Living, 8 Oct. 2025 Scientists have found that herbicides are most effective on weeds that are growing vigorously. Megan Hughes, Better Homes & Gardens, 7 Oct. 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 25 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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