her·​bi·​cide | \ ˈ(h)ər-bə-ˌsīd How to pronounce herbicide (audio) \

Definition of herbicide

: an agent used to destroy or inhibit plant growth

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Other Words from herbicide

herbicidal \ ˌ(h)ər-​bə-​ˈsī-​dᵊl How to pronounce herbicidal (audio) \ adjective
herbicidally \ ˌ(h)ər-​bə-​ˈsī-​dᵊl-​ē How to pronounce herbicidally (audio) \ adverb

Examples of herbicide in a Sentence

Recent Examples on the Web

Step 3 - Thwart Weed Growth To prevent weeds from taking over your lawn this summer, apply a pre-emergent herbicide in the spring. Joseph Truini, Popular Mechanics, "How to Get Your Lawn Ready for Spring," 22 Jan. 2019 The active ingredient in this weedkiller is an herbicide known as glyphosate. Yvette D'entremont, SELF, "Should You Worry About Herbicides In Your Food?," 10 Oct. 2018 But concentrations strong enough to be effective against anything but the youngest, most tender weeds, vinegar is no longer a food product but an herbicide called horticultural vinegar and not so friendly. Margaret Roach, Good Housekeeping, "Why It Can Be Dangerous to Use Vinegar to Kill Weeds," 15 Aug. 2018 China approved the company’s new herbicide-resistant soybean, the WSJ’s Jacob Bunge reports, opening new markets for American farmers who are struggling to control hard-to-kill weeds. Erica E. Phillips, WSJ, "Today’s Logistics Report: Shoppers Skip the Mall; Trade War Disrupts; Huawei Exports Blocked," 11 Jan. 2019 Bayer is up against more than 8,700 similar cases from plaintiffs alleging that glyphosate, the main compound in Bayer’s Roundup herbicide, causes cancer. Jacob Bunge, WSJ, "Bayer Shares Jump in Germany After Roundup Ruling," 11 Oct. 2018 If germination is poor or nonexistent, herbicides could be present or the pH of the soil could be way off. Leah Zerbe, Good Housekeeping, "The Right Way To Buy Quality Organic Compost For Your Garden," 27 July 2017 Such weeds have developed resistance to glyphosate, the herbicide marketed by Bayer under the Roundup brand. Jacob Bunge, WSJ, "China’s GMO Ruling Hands U.S. Farmers New Tool in Battle Against Weeds," 8 Jan. 2019 An instance similar to the Tylenol murders also occurred in Japan in 1985, when 10 people were killed and 35 were left seriously ill from a poisonous herbicide that had been inserted into beverages in vending machines. Rebecca Jennings, Vox, "Needles in strawberries, cyanide in Tylenol: the long history of product tampering," 21 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'herbicide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of herbicide

1899, in the meaning defined above

History and Etymology for herbicide

Latin herba + International Scientific Vocabulary -cide

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Statistics for herbicide

Last Updated

9 Apr 2019

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Time Traveler for herbicide

The first known use of herbicide was in 1899

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English Language Learners Definition of herbicide

: a chemical used to destroy plants or stop plant growth


her·​bi·​cide | \ ˈ(h)ər-bə-ˌsīd How to pronounce herbicide (audio) \

Medical Definition of herbicide

: an agent used to destroy or inhibit plant growth

Other Words from herbicide

herbicidal \ ˌ(h)ər-​bə-​ˈsīd-​ᵊl How to pronounce herbicidal (audio) \ adjective
herbicidally \ -​ᵊl-​ē How to pronounce herbicidally (audio) \ adverb

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More from Merriam-Webster on herbicide

Thesaurus: All synonyms and antonyms for herbicide

Spanish Central: Translation of herbicide

Nglish: Translation of herbicide for Spanish Speakers

Britannica.com: Encyclopedia article about herbicide

Comments on herbicide

What made you want to look up herbicide? Please tell us where you read or heard it (including the quote, if possible).


an act or instance of returning to life

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