| indefinite(adjective, dull, clear, obscure, gloomy) |
| nebulous(adjective, dull, obscure, rough, dark) |
| weak(adjective, dull, light, simple, soft) |
| bleary(adjective, clear, light, obscure, rough) |
| confused(adjective, gloomy, gray, unclear, indefinite) |
| dismal(adjective, dull, dark, gloomy, mood) |
| doltish(adjective, dull, simple, slow, foolish) |
| eclipse(verb, cover, clear, reduce, lower) |
| slow-witted |
| fog(verb, cover, clear, reduce, lower) |
| bedim(verb, cover, clear, reduce, lower) |
| faded(adjective, dull, light, weak, soft) |
| filmy(adjective, clear, light, dense, hazy) |
| blind(verb, adjective, dull, cover, weak) |
| fade(verb, dull, decline, reduce, fail) |
| foolish(adjective, dull, stupid, unintelligent, witless) |
| lackluster(adjective, dull, light, blue, sad) |
| shade(verb, cover, moderate, obscure, confuse) |
| thick(adjective, dull, simple, obscure, slow) |
| blear(verb, adjective, cover, clear, reduce) |