1. designed to prevent, control, or eliminate weeds
Usage: commonly used in agriculture and gardening contexts

1. a substance or agent used to kill or prevent the growth of weeds; a herbicide
Usage: often used in agriculture and horticulture

Examples

• The farmer applied antiweed spray to the cornfield in early spring.
• These antiweed chemicals must be used carefully to avoid damaging desirable plants.
• The new antiweed product is effective against dandelions and crabgrass.
• Gardeners often use antiweed mulch to suppress unwanted plant growth.
• The antiweed treatment kept the vegetable garden free of invasive species.
• Modern antiweeds are designed to target specific weed types while protecting crops.