English Lexicon

Weed-Killer

/wiːdˈkɪlər/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A chemical substance used to kill unwanted plants or weeds.

    "The gardener applied a weed-killer to the flower beds to prevent the growth of invasive species."
  2. 2

    A product designed specifically for the control of weeds in agricultural or landscaping contexts.

    "Many farmers rely on herbicides, a type of weed-killer, to maintain crop yields."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'weed-killer' is a compound word formed in English, combining 'weed', which originates from Old English 'wēod', meaning a plant considered undesirable, and 'killer', derived from the Old English 'cillan', meaning to strike or kill. The term has evolved to refer specifically to substances used to eliminate unwanted plants in gardening and agriculture.

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