| cast down(expression, adjective, dull, flat, low) |
| characterless |
| comatose(adjective, dull, quiet, slow, heavy) |
| comfortless(adjective, dull, unhappy, dark, gloomy) |
| conservative(adjective, dull, moderate, low, stiff) |
| cool(adjective, indifferent, unconcerned, uncaring, listless) |
| could care less(expression, adjective, idiom, indifferent, unconcerned) |
| debilitated(adjective, dull, heavy, stupid, weary) |
| dejected(adjective, dull, flat, low, sad) |
| dejecting(adjective, dull, unhappy, dark, gloomy) |
| depressed(adjective, dull, quiet, flat, low) |
| depressing(adjective, dull, unhappy, dark, gloomy) |
| desolate(adjective, dull, unhappy, dark, gloomy) |
| despondent(adjective, dull, flat, low, sad) |
| detained(adjective, dull, moderate, low, stiff) |
| dilatory(adjective, dull, moderate, low, heavy) |
| dim(adjective, dull, weak, flat, dead) |
| disconsolate(adjective, dull, flat, low, sad) |
| disengaged(adjective, dull, idle, sluggish, lazy) |
| dispirited(adjective, dull, flat, low, sad) |