Discolor \Dis*col"or\, v. t. [imp. & p. p. Discolored; p. pr. & vb. n. Discoloring.]

[OE. descolouren, OF. descolorer, F. d['e]colorer, fr. L. dis- + cololare, coloratum, to color, color color. See Color.]

[Written also discolour.]

1. To alter the natural hue or color of; to change to a different color; to stain; to tinge; as, a drop of wine will discolor water; silver is discolored by sea water. [1913 Webster]

2. To alter the true complexion or appearance of; to put a false hue upon. [1913 Webster]

To discolor all your ideas. --Watts. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

116 Moby Thesaurus words for "discolor": 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

Source: Moby Thesaurus II by Grady Ward, 1.0
 

discolor

Source: WordNet (r) 2.0
 

Discolor \Dis*col"or\, v. t. [imp. & p. p. Discolored; p. pr. & vb. n. Discoloring.]

[OE. descolouren, OF. descolorer, F. d['e]colorer, fr. L. dis- + cololare, coloratum, to color, color color. See Color.]

[Written also discolour.]

1. To alter the natural hue or color of; to change to a different color; to stain; to tinge; as, a drop of wine will discolor water; silver is discolored by sea water.

2. To alter the true complexion or appearance of; to put a false hue upon.

To discolor all your ideas. --Wat??

Source: Webster's Revised Unabridged Dictionary (1913)