| hard(adjective, tough, severe, sharp, firm) |
| austere(adjective, hard, simple, tough, severe) |
| crabby(adjective, rough, nasty, low, difficult) |
| melancholy(adjective, sorrow, feelings, depress, sadness) |
| dreary(adjective, sorrow, gloomy, depress, sadness) |
| cantankerous(adjective, rough, nasty, low, difficult) |
| churlish(adjective, low, feelings, gloomy, depressed) |
| crusty(adjective, tough, difficult, harsh, feelings) |
| lugubrious(adjective, sorrow, melancholy, depress, sadness) |
| cheerless(adjective, sorrow, depress, sadness, emotion) |
| dejected(adjective, low, sad, feelings, gloomy) |
| grumpy(adjective, feelings, sadness, gloom, unclear) |
| down(adjective, feelings, sadness, gloom, unclear) |
| sad(adjective, sorrow, depress, sadness, emotion) |
| serious(adjective, close, hard, severe, harsh) |
| strict(adjective, tough, severe, firm, harsh) |
| stringent(adjective, hard, tough, severe, firm) |
| ugly(adjective, person, low, sad, rude) |
| unyielding |
| blue(adjective, low, feelings, gloomy, miserable) |