| sullen(adjective, appearance, sorrow, depress, sadness) |
| unbending(adjective, strong, hard, tough, severe) |
| horrid(adjective, dull, appearance, offensive, unpleasant) |
| austere(adjective, dull, appearance, strong, hard) |
| disconsolate(adjective, dull, blue, low, sad) |
| sad(adjective, person, dull, quiet, blue) |
| adamantine(adjective, strong, hard, tough, resist) |
| dreadful(adjective, bad, sad, pain, offensive) |
| funereal(adjective, dull, appearance, sad, harsh) |
| ominous(adjective, person, appearance, sad, awful) |
| rigid(adjective, strong, hard, tough, severe) |
| serious(adjective, dull, strong, hard, tough) |
| shocking(adjective, appearance, bad, sad, pain) |
| sombre |
| cold(adjective, person, mean, tough, severe) |
| intransigent(adjective, resist, determined, resolute, persistent) |
| miserable(adjective, person, dull, blue, poor) |
| solemn(adjective, sorrow, depress, sadness, emotion) |
| depressed(adjective, person, dull, blue, low) |
| lurid(adjective, unpleasant, sorrow, awful, terrible) |