1. (adj)defiled, maculate morally blemished; stained or impure
2. (adj)maculate spotted or blotched
3. (verb)tarnish, stain, maculate, sully, defile make dirty or spotty, as by exposure to air; also used metaphorically
"The silver was tarnished by the long exposure to the air"; "Her reputation was sullied after the affair with a married man"
4. (verb)foul, befoul, defile, maculate spot, stain, or pollute
"The townspeople defiled the river by emptying raw sewage into it"