| gloomy(adjective, dull, bad, light, blue) |
| dismal(adjective, dull, bad, light, obscure) |
| dark(adjective, dull, bad, light, obscure) |
| dull(adjective, excite, warm, unhappy, dark) |
| cheerless(adjective, dull, bad, light, blue) |
| sad(adjective, dull, bad, blue, obscure) |
| boring(adjective, dull, simple, flat, excite) |
| depressing(adjective, dull, blue, obscure, sad) |
| bleak(adjective, dull, light, obscure, happy) |
| melancholy(adjective, dull, bad, blue, low) |
| drab(adjective, dull, blue, sad, unhappy) |
| tedious(adjective, dull, simple, flat, excite) |
| grim(adjective, dull, blue, sad, thin) |
| mournful(adjective, dull, bad, blue, obscure) |
| lugubrious(adjective, bad, sad, sorrow, depression) |
| soul-crushing |
| joyless(adjective, dull, light, happy, sad) |
| desolate(adjective, dull, bad, light, blue) |
| humdrum(adjective, dull, flat, excite, gloomy) |
| miserable(adjective, dull, bad, low, sad) |