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Synonyms

weedkiller

British  
/ ˈwiːdˌkɪlə /

noun

  1. a substance, usually a chemical or hormone, used for killing weeds

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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California will begin phasing out paraquat, a powerful weedkiller associated with birth defects, thyroid issues and other serious health problems.

From Los Angeles Times Aug. 11, 2026

Supreme Court ruled in Bayer’s favor in a long-standing case related to its Roundup weedkiller.

From The Wall Street Journal Aug. 4, 2026

In the late 1990s, John Durnell began using the weedkiller Roundup to help tend to the community spaces in his neighborhood in St. Louis.

From Slate Jun. 25, 2026

Bayer has pointed to scientific studies as well as regulatory approvals in the US and the European Union as evidence the weedkiller is safe.

From Barron's May 12, 2026

Campaigners are calling for a ban on the use of the weedkiller glyphosate to dry crops at harvest time because of concerns about its impact on human health.

From BBC May 6, 2026

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