| sully(verb, dull, hurt, spoil, dirty) |
| taint(verb, dull, ruin, spoil, dirty) |
| unclear(adjective, obscure, dark, uncertain, vague) |
| vague(adjective, clear, obscure, uncertain, definite) |
| impure(noun, adjective, dark, unclean, cloudy) |
| bedraggled(adjective, poor, nasty, foul, sloppy) |
| cloud(verb, dull, cover, hurt, reduce) |
| defile(verb, dull, hurt, spoil, dirty) |
| dusty(adjective, nasty, dirty, foul, sloppy) |
| misty(adjective, dark, gloomy, gray, dense) |
| muddied |
| nebulous(adjective, dark, gloomy, gray, unclear) |
| pollute(verb, dull, hurt, harm, spoil) |
| slimy(adjective, nasty, dirty, foul, wet) |
| slushy(adjective, soft, poor, dark, dirty) |
| smear(verb, dull, hurt, spoil, dirty) |
| untidy(adjective, poor, nasty, foul, sloppy) |
| amorphous(adjective, unclear, indistinct, indistinguishable) |
| befoul(verb, dull, dirty, foul, stain) |
| blacken(verb, dull, hurt, harm, spoil) |