| irritable(adjective, unstable, unpredictable, unreliable, fickle) |
| low(adjective, gloomy, depressed, pessimistic) |
| melancholy(adjective, gloomy, depressed, pessimistic) |
| moody(adjective, gloomy, depressed, pessimistic) |
| moping(adjective, gloomy, depressed, pessimistic) |
| mournful(adjective, gloomy, depressed, pessimistic) |
| perverse(adjective, gloomy, depressed, pessimistic) |
| perversive(adjective, gloomy, depressed, pessimistic) |
| pessimistic(adjective, gloomy, depressed) |
| saturnine(adjective, gloomy, depressed, pessimistic) |
| sensitive(adjective, unstable, unpredictable, unreliable, fickle) |
| singing the blues(expression, adjective, idiom, gloomy, depressed) |
| snappish(adjective, gloomy, depressed, pessimistic) |
| sour(adjective, gloomy, depressed, pessimistic) |
| splenetic(adjective, gloomy, depressed, pessimistic) |
| sulky(adjective, gloomy, depressed, pessimistic) |
| sullen(adjective, gloomy, depressed, pessimistic) |
| surly(adjective, gloomy, depressed, pessimistic) |
| taciturn(adjective, gloomy, depressed, pessimistic) |
| testy(adjective, gloomy, depressed, pessimistic) |