To spot; to stain; to blur.

Marked with spots or maculæ; blotched; hence, defiled; impure; as, most maculate thoughts.

(adj.) Spotted or blotched.

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"