besmutches

Example:His association with the criminal gang defiled his noble ancestry.

Definition:To dirty or make unclean; to desecrate or contaminate, often in a figurative sense regarding character or reputation.

Example:His business practices have tarnished his company's reputation.

Definition:To harm the reputation or character of a person or thing, to degrade and lower in status or value.

Example:The spill soiled the carpet with a sudden, dark stain.

Definition:To make dirty or defiled; to contaminate.