To tarnish (reputation, character, etc.); to defame.
To spoil the appearance of.
A moral defect; a character flaw.
A small flaw which spoils the appearance of something, a stain, a spot.
To augment or make something greater.
To take up contrast agent (for an organ, tissue, or lesion).
To improve something by adding features.
To be raised up; to grow larger.