refers to obscene or indecent language or material.

अश्लील या बेतुका भाषा

English Usage: The book contained smuts that were not suitable for children.

Hindi Usage: इस किताब में ऐसे स्मट थे जो बच्चों के लिए उपयुक्त नहीं थे।

refers to a type of fungal disease that affects plants, particularly grains.

to cover or stain with dirt or soot.

गंदगी या कालिख से ढकना

English Usage: The children smutted their faces while playing outside.

Hindi Usage: बच्चों ने बाहर खेलते समय अपने चेहरे को गंदा कर दिया।