Synonyms: tarnish
Definition: discoloration of metal surface caused by oxidation
Similar words: discoloration, discolouration, stain
Definition: a soiled or discolored appearance
Usage: the wine left a dark stain
Synonyms: maculate, tarnish, sully, defile, stain
Definition: make dirty or spotty, as by exposure to air; also used metaphorically
Usage: The silver was tarnished by the long exposure to the air; Her reputation was sullied after the affair with a married man
Similar words: blob, blot, spot, fleck
Definition: make a spot or mark onto
Usage: The wine spotted the tablecloth