Definitions

1. noun

A chemical substance used for destroying insects or other organisms harmful to cultivated plants or animals.

“The farmer applied a pesticide to the crops to protect them from pests.”

2. verb

To kill or destroy insects or other organisms harmful to cultivated plants or animals using a chemical substance.

“The gardener decided to pesticide the weeds in the garden.”

3. noun

The act or practice of using chemical substances to kill or destroy insects or other organisms.

“The use of pesticides has been linked to environmental pollution.”