English Reference

Word

herbicide

Phoneticsher·bi·cide

US/ˈɝbɪˌsaɪd/

UK/hˈɜːbɪsˌaɪd/

Definition

n. a chemical used to kill unwanted plants, like weeds. Farmers and gardeners use it to keep their crops or lawns clean.

n. a chemical substance used to kill or inhibit the growth of unwanted plants. Often used in agricultural or horticultural contexts to manage weeds.

Examples

“The farmer applied an herbicide to the fields to kill the weeds.”

“Before planting the new vegetable garden, the gardener used an herbicide to clear the soil of invasive grasses.”

“While effective at controlling broadleaf weeds, the specific herbicide must be applied carefully to avoid damaging the surrounding crops or contaminating the local water supply.”

Examples

simple

“The farmer applied an herbicide to the fields to kill the weeds.”

contextual

“Before planting the new vegetable garden, the gardener used an herbicide to clear the soil of invasive grasses.”

complex

“While effective at controlling broadleaf weeds, the specific herbicide must be applied carefully to avoid damaging the surrounding crops or contaminating the local water supply.”

Real-World Examples

“Health and environmental experts raised the alarm in February when Israeli planes dropped herbicides linked to cancer on farms in south Lebanon.”
The Guardian · 12 Aug 2026
“The results raise broader questions about how herbicides should be used in places where bees are likely to feed.”
ScienceDaily · 6 Aug 2026

Etymology

From herb + -icide.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Domains

AgricultureHorticulture

This entry

Level
B2 · Upper Intermediate
Frequency
Occasional
Updated

Scan code

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English Reference