1. (v. t.) To discolor by the application of foreign matter; to make foul; to spot; as, to stain the hand with dye; armor stained with blood.

2. (v. t.) To color, as wood, glass, paper, cloth, or the like, by processes affecting, chemically or otherwise, the material itself; to tinge with a color or colors combining with, or penetrating, the substance; to dye; as, to stain wood with acids, colored washes, paint rubbed in, etc.; to stain glass.

3. (v. t.) To spot with guilt or infamy; to bring reproach on; to blot; to soil; to tarnish.

4. (v. t.) To cause to seem inferior or soiled by comparison.

5. (v. i.) To give or receive a stain; to grow dim.

6. (n.) A discoloration by foreign matter; a spot; as, a stain on a garment or cloth.

7. (n.) A natural spot of a color different from the ground.

8. (n.) Taint of guilt; tarnish; disgrace; reproach.

9. (n.) Cause of reproach; shame.

10. (n.) A tincture; a tinge.

apply paint aspersion attaint badge of infamy bar sinister bastardize baton bedaub bedizen begild bend sinister besmear besmirch besmoke besmutch besoil bespatter bestain birthmark black black eye black mark blacken blaze blaze a trail blemish bloodstain blot blotch blow upon blur brand broad arrow brush on paint brutalize calcimine caste mark censure chalk chalk up champain check check off checkmark chromogen cicatrix cicatrize coat coat of paint coating color color filter color gelatin colorant coloring complexion contaminate corrupt cover cut dab dapple darken dash daub dead-color debauch deep-dye defame defect defile define delimit demarcate demoralize deprave dip dirty disapprove discolor discoloration disgrace disparage disparagement distemper dot double-dye drier dye dyestuff earmark emblazon enamel engild engrave engraving expose expose to infamy exterior paint eyesore face fast-dye flat coat flat wash flaw fleck flick floor enamel flyspeck freckle fresco gash gibbet gild glaze gloss grain graving ground hack hang in effigy hatch hue illuminate imbue impress imprint imputation ingrain interior paint japan jot lacquer lay on color lentigo line macula maculation macule make a mark mark mark of Cain mark off mark out marking medium mole mottle nevus nick notch odium onus opaque color paint parget patch pencil pepper pervert pigment pillory pillorying point point champain polka dot prick prime prime coat primer priming print punch punctuate puncture reflection reprimand reproach riddle ruin scar scarification scarify scorch score scotch scratch scratching seal seam sear shade shadow shame shellac singe slop on paint slubber slur smear smirch smoke smouch smudge smut smutch soil soilage soilure spatter speck speckle splash splatter splotch spoil spot stamp stigma stigmatism stigmatization stigmatize stipple strawberry mark streak striate stripe sully taint tar tarnish tattoo tattoo mark tempera thinner tick tick off tinct tinction tincture tinge tint tittle tone trace transparent color turpentine turps undercoat undercoating underline underscore varnish vehicle