n. an irregular arrangement of patches of color; "it was not dull grey as distance had suggested, but a mottle of khaki and black and olive-green"

v. colour with streaks or blotches of different shades

v. mark with spots or blotches of different color or shades of color as if stained

v. cause to lose or change color; "The detergent discolored my shirts"

v. make a smudge on; soil by smudging

v. mark with stripes

v. 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"

v. place under suspicion or cast doubt upon; "sully someone's reputation"

v. dry (ink) with blotting paper

v. move quickly in a straight line; "The plane streaked across the sky"