Stained or tarnished, often used metaphorically to describe a reputation or purity that has been damaged.

गंदा या धूमिल

English Usage: The politician's sullied reputation made it difficult for him to regain the trust of the public.

Hindi Usage: राजनेता की गंदी छवि ने जनता का विश्वास फिर से प्राप्त करना मुश्किल बना दिया।