1. marked with or covered by smut, soot, or dirt
2. affected by smut (a plant disease that produces black powdery spores)
Usage: agricultural
3. indecent or obscene in content or language
Usage: informal

Examples

• The chimney sweep’s face was smutty from working all day.
• Her white dress became smutty after she fell in the coal bin.
• The farmer worried about the smutty wheat crop.
• The corn plants showed signs of being smutty from the fungal infection.
• The comedian’s smutty jokes made some audience members uncomfortable.
• The book was banned for its smutty content.
• He wiped his smutty hands on a rag before shaking hands.