Discolor1. (v. t.) To alter the natural hue or color of; to stain; to tinge; as, a drop of wine will discolor water; silver is discolored by sea water.
2. (v. t.) To alter the true complexion or appearance of; to put a false hue upon.
Thesaurus Entries
achromatize, attaint, bedaub, besmear, besmirch, besmoke, bestain, blacken, blanch, blaze, blaze a trail, bleach, blemish, blot, blotch, blur, brand, chalk, chalk up, check, check off, cicatrize, dapple, dappled, darken, dash, daub, decolor, decolorize, defile, define, delimit, demarcate, dim, dirty, dot, drain, drain of color, dull, engrave, etiolate, fade, fleck, freckle, fume, gash, hatch, impress, imprint, line, make a mark, mark, mark off, mark out, motley, mottle, multicolor, multicolored, multihued, nick, notch, pale, parti-colored, pencil, pepper, peroxide, point, prick, print, punch, punctuate, puncture, riddle, scar, scarify, scorch, score, scotch, scratch, seal, seam, sear, singe, slubber, slur, smear, smirch, smoke, smut, soil, speck, speckle, splotch, spot, stain, stamp, stigmatize, streak, striate, stripe, sully, taint, tar, tarnish, tattoo, tick, tick off, tone down, trace, underline, underscore, varicolored, versicolor, versicolored, wash out, whiten