maculate (Adjective) — Morally blemished; stained or impure.
maculate (Adjective) — Spotted or blotched.
maculate (Verb) — Make dirty or spotty, as by exposure to air; also used metaphorically. ex. "The silver was maculated by the long exposure to the air"
maculate (Verb) — Spoil Spot, stain, or pollute. ex. "The townspeople maculated the river by emptying raw sewage into it"