glyph·​o·​sate ˈgli-fə-ˌsāt How to pronounce glyphosate (audio)
: 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 Some recommend buying herbicide, cutting all stems to the ground, and painting the ends with glyphosate. Steve Bender, Southern Living, 19 Oct. 2023 Council members voted unanimously to direct staff to stop using synthetic herbicides (glyphosate and dithiopyr) in areas with heavy pedestrian use (near schools, parks and downtown), and to post notices before spraying in other areas. Laura Groch, San Diego Union-Tribune, 14 May 2023 Bayer this year began transitioning glyphosate out of its U.S. residential lawn and garden products and using other ingredients as a way to reduce future litigation risks. Mark Thiessen, ajc, 6 June 2023 Spray it with a broadleaf herb herbicide, such as glyphosate, 2,4-D +dicamba or 2,4-D +triclopyr. Arricca Elin Sansone, Country Living, 24 July 2023 In 2020, former president Ivan Duque tried to revive indiscriminate glyphosate fumigations as a strategy to combat coca production, although the Colombian constitutional court banned the practice a decade ago due to the health risks for farmers. Stefano Pozzebon, CNN, 24 July 2023 For example, the IARC determined the herbicide glyphosate, manufactured by Monsanto, was likely causing cancer in humans, leading to numerous lawsuits and dozens of bans on the chemical around the world. Diego Lasarte, Quartz, 29 June 2023 In his 2020 decree, Mr. López Obrador also moved to phase out use of glyphosate, which is used on the majority of corn, soybean and cotton acres planted in the U.S. and is prized by farmers for its effectiveness and low cost compared with other chemicals. Kristina Peterson, WSJ, 30 Nov. 2022 When applying a contact herbicide such as glyphosate, remember that these herbicides will kill or damage non-target plants if the spray material comes into contact with them. Mike Hogan, The Enquirer, 28 May 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'glyphosate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


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

Dictionary Entries Near glyphosate

Cite this Entry

“Glyphosate.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2023.

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!