1. a black powdery substance, especially soot from coal or wood
2. a fungal disease of cereal crops that produces black powdery spores
Usage: agricultural

1. to blacken or stain with soot or dirt
2. to affect crops with smut fungus
Usage: agricultural

Examples

• The chimney sweep’s face was covered in smut.
• She wiped the smut from the windowsill.
• The corn crop was damaged by smut this season.
• Farmers use fungicides to prevent smut in wheat.
• The coal fire smutted the white curtains.
• Rain can smut freshly painted surfaces.
• The disease will smut the entire grain harvest if left untreated.