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 moral firewall around Kennedy is illustrated by the case of glyphosate, an herbicide so singularly reviled by MAHA that, on social media, Ryerson goes by the Glyphosate Girl. Jessica Winter, New Yorker, 21 Aug. 2025 Wei claims she was exposed to herbicides that included paraquat dichloride, glyphosate and oxyfluorfen, which have been linked to cancer. David K. Li, NBC news, 18 Aug. 2025 Commercial farming groups have argued against further pesticide regulations, and blasted the first MAHA report’s suggestion of links between chemicals such as glyphosate and atrazine and chronic health problems. Sarah Owermohle, CNN Money, 15 Aug. 2025 Some farmers and Republicans are worried about what this report might say about glyphosate, the ingredient commonly used in pesticides sprayed on crops. Jordan King, MSNBC Newsweek, 10 July 2025 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

Browse Nearby Words

Cite this Entry

“Glyphosate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glyphosate. Accessed 10 Sep. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!