glyphosate

noun

glyph·​o·​sate ˈgli-fə-ˌsāt How to pronounce glyphosate (audio)
ˈglī-
: a systemic organophosphate herbicide C3H8NO5P used to control herbaceous and woody weeds especially on croplands

Examples of glyphosate 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.
The chemical was the active ingredient in Roundup, though Monsanto has subsequently stopped using glyphosate in Roundup products sold for residential use. Maureen Groppe, USA Today, 25 Apr. 2026 Weedkillers like glyphosate can be used in the spring, but this isn't likely to eradicate a mature patch of ivy. Brandee Gruener, Southern Living, 20 Apr. 2026 Kelly Ryerson, the glyphosate girl, Del Bigtree, Pierre Kory. Torie Bosch, STAT, 18 Apr. 2026 The bill currently proposes relaxing pesticide labeling rules and the potential preemption of states suing big agrochemical companies in cases related to carcinogenic paraquat and glyphosate. Thomas Heaton, Los Angeles Times, 10 Apr. 2026 See All Example Sentences for glyphosate

Word History

Etymology

perhaps from International Scientific Vocabulary glycine + phosph- + -ate entry 1

First Known Use

1972, in the meaning defined above

Time Traveler
The first known use of glyphosate was in 1972

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Cite this Entry

“Glyphosate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glyphosate. Accessed 28 Apr. 2026.

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