| Main Entry: | |
| Part of Speech: | verb |
| Definition: | darken |
| Synonyms: | befoul, begrime, blot, cloud, deepen, ebonize, grow dark, grow dim, ink, make dark, shade, smudge, soil |
| Antonyms: | bleach, lighten, whiten |
| Main Entry: | dirty |
| Part of Speech: | verb |
| Definition: | cause to be soiled |
| Synonyms: | begrime, besoil, blacken, blotch, blur, botch, coat, contaminate, corrupt, debase, decay, defile, discolor, draggle, encrust, foul, grime, make dusty, make impure, mess up, mold, muddy, pollute, rot, smear, smirch, smoke, smudge, smutch, spatter, spoil, spot, stain, sully, sweat, taint, tar, tarnish |
| Antonyms: | clean, cleanse, purify, sterilize |
| Main Entry: | foul |
| Part of Speech: | verb |
| Definition: | make or become dirty |
| Synonyms: | befoul, begrime, besmear, besmirch, block, catch, choke, clog, contaminate, defile, desecrate, discolor, ensnare, entangle, fill, jam, pollute, profane, smear, smudge, snarl, soil, spot, stain, sully, taint, tarnish, twist |
| Antonyms: | clean, purify, sterilize |
| Main Entry: | smudge |
| Part of Speech: | verb |
| Definition: | smear, dirty |
| Synonyms: | begrime, blacken, blotch, blur, daub, defile, foul, grime, mark, plaster, slop, smirch, soil, spatter, sully, taint, tarnish |
| Antonyms: | clean |
| Main Entry: | soil |
| Part of Speech: | verb |
| Definition: | make dirty |
| Synonyms: | bedraggle, befoul, begrime, besmirch, contaminate, crumb, debase, defile, degrade, dirty, discolor, disgrace, foul, grime, maculate, mess, mess up, muck up, muck, muddy, muss up, muss, pollute, shame, smear, smudge, spatter, spoil, spot, stain, sully, taint, tar, tarnish |
| Antonyms: | clean |
| Main Entry: | tarnish |
| Part of Speech: | verb |
| Definition: | dirty, corrupt |
| Synonyms: | befoul, begrime, blacken, blemish, blot, contaminate, damage, darken, defame, defile, dim, discolor, disgrace, dull, embarrass, grime, harm, hurt, impair, injure, lose luster, lose shine, mar, muddy, pale, pollute, rust, slander, smear, smudge, soil, spoil, spot, stain, sully, taint, tar, vitiate |
| Antonyms: | clean, fix, polish, uncorrupt |
| Main Entry: | bemire |
| Part of Speech: | verb |
| Definition: | muddy |
| Synonyms: | begrime, dirty, grime, mire, muck, slush, soil |