1. present participle of besmut; to soil or stain with smut or soot
Usage: rare or archaic; literary

Examples

• The factory's smoke was besmutting the white buildings nearby.
• Soot from the chimney was besmutting the laundry hanging outside.
• The coal dust kept besmutting her clothes despite her efforts to stay clean.
• Industrial pollution was besmutting the once-pristine landscape.