A mark or discoloration on a surface caused by a substance.

A blemish on someone's character or reputation.

कलंक

English Usage: The scandal left a stain on his otherwise good reputation.

Hindi Usage: स्कैंडल ने उसकी अन्यथा अच्छी छवि पर एक कलंक छोड़ दिया।

To mark or discolor a surface with a spot or blot.

To tarnish or damage someone's reputation.

बदनाम करना

English Usage: His lies could stain her good name.

Hindi Usage: उसके झूठ उसकी अच्छी नाम को बदनाम कर सकते हैं।