1. a chemical substance used to kill pests such as insects, weeds, or fungi that damage crops or are harmful to humans

Examples

• Farmers spray pesticide on their crops to protect them from insects.
• The organic farm uses natural pesticide alternatives instead of synthetic chemicals.
• Excessive pesticide use can harm beneficial insects like bees.
• The government banned that pesticide due to environmental concerns.
• She washed the vegetables thoroughly to remove any pesticide residue.
• The pesticide was effective against aphids but didn’t harm the plants.
• Many countries have strict regulations on pesticide application.