| cloudy | sullen, gloomy, scowling |
| cold | gloomy, depressed, dispirited |
| dark | sad, melancholic, gloomy |
| dull | gloomy, melancholic, sullen |
| dun | dark, murky, gloomy |
| glooming | gloomy, dark, dismal |
| hanging | gloomy, morose, melancholy |
| heavy | sorrowful, sad, gloomy |
| heavy | gloomy, dark, overcast |
| louring | gloomy, threatening, dark |
| lowering | ominous, threatening, gloomy |
| melancholy | dark, dismal, gloomy |
| moody | melancholy, sombre, gloomy |
| sad | downcast, distressed, mournful, gloomy |
| slow | heavy, gloomy, dejected |
| solemn | dark, sombre, gloomy |
| spleen | temper, spirit, passion [part of the body seen as the source of both gloomy and mirthful emotions] |
| sullen | gloomy, dismal, melancholy, mournful |
| sullen | (plural) sullenness, gloomy mood, sulks |
| sullen | [Q variant of 'sorry'] gloomy, dismal, melancholy, mournful |
| surly | gloomy, dismal, stern |