| lazy(adjective, dull, quiet, weak, easy) |
| pearly(adjective, dull, lead, gray, mousy) |
| phlegmatic(adjective, dull, quiet, weak, easy) |
| smoky(adjective, dull, lead, grim, gray) |
| somber(adjective, dull, quiet, soft, severe) |
| apathetic(adjective, dull, quiet, weak, easy) |
| dopey(adjective, dull, weak, easy, slow) |
| drab(adjective, dull, soft, obscure, lead) |
| indolent(adjective, quiet, easy, slow, relaxed) |
| lead(adjective, dull, grim, mousy, steely) |
| lowering(dull, gloomy, gray, cloudy, dismal) |
| cloudy(adjective, dull, soft, obscure, flat) |
| dismal(dull, soft, flat, dark, cold) |
| inactive(adjective, dull, quiet, weak, easy) |
| leisurely(adjective, dull, quiet, weak, easy) |
| livid(adjective, dull, lead, grim, pale) |
| logged |
| mousy(adjective, dull, soft, obscure, lead) |
| onerous(adjective, heavy) |
| overcast(adjective, dull, soft, obscure, flat) |