sully, besmirch, taint, undermine, mar, overshadow, embarrass, malign, ruin, spoil, discredit, denigrate, jeopardize, cheapen, belittle, diminish, derail, detract, impugn, blacken, burnish, demean, erode, politicize, undercut, blemished, disrupt, destroy, destabilize, hinder, demoralize, hamper, weaken, marginalize, defame, disparage, downplay, dampen, endanger, distort, perpetuate, embitter, scuttle, scandalise, harm, legitimize, distract, erase, communalise, vindicate, smear, trivialize, dilute, cripple, complicate, blot, entrench, efface, mislead, alienate, vitiate, insinuate, confuse, implicate, imperil, devalue, dispel, disturb, resurrect, subvert, scupper, obliterate, impede, embarass, negate, dishonor, portray, damaging, unsettle, embolden, intimidate, stain, degrade, humiliate, debase, threaten, endear, expose, delude, obstruct, aggravate, hurt, vilify, stifle, betray, inflame, victimize, undo, demonize, depress, galvanize, prettify, discoloration, shade, tinge, colour, discolorations, patina, rust, discolouration, maroon, mottling, shimmer, specks, splotches, streaking, bruise, color, drab, glaze, smudge, streak, alloyed, annealed, deposited, evaporated, sputtered, anodized, brittle, monatomic, semitransparent, unstrained, alloy, amorphous, anodic, antiferromagnetic, biocompatible, cadmium, conductive, ductile, fcc

darken

atomic number 46, darken, palladium, pd

blob, blot, discoloration, discolouration, fleck, spot, stain

defile, maculate, sully