| begrime(dull, stain, blotched, fuddled) |
| blemish(dull, stain, discolor) |
| damage(dull, stain, discolor) |
| defame(dull, stain, discolor) |
| embarrass(dull, stain, discolor) |
| forceless(white, colorless, pallid, ashen) |
| harm(dull, stain, discolor) |
| hurt(dull, stain, discolor) |
| impair(dull, stain, discolor) |
| injure(dull, stain, discolor) |
| lose shine(expression, dull, stain, blur) |
| mar(dull, stain, discolor) |
| moderate(adjective, dull, weak, soft, gentle) |
| reedy(adjective, dull, soft, low) |
| rust(dull, stain, discolor) |
| slander(dull, stain, discolor) |
| unaccented(adjective, dull, soft, low) |
| unstressed(adjective, dull, soft, low) |
| vitiate(dull, stain, discolor) |