From WordNet (r) 3.0 (2006):
maculate
adj 1: morally blemished; stained or impure [syn: defiled,
maculate]
2: spotted or blotched
v 1: 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" [syn: tarnish, stain,
maculate, sully, defile]
2: spot, stain, or pollute; "The townspeople defiled the river
by emptying raw sewage into it" [syn: foul, befoul,
defile, maculate]