| depressing(adjective, characteristic, gloom, tedium, monotony) |
| depression(noun, feeling, distress, anguish) |
| desolate(adjective, characteristic, gloom, tedium, monotony) |
| despair(noun, feeling, gloom, anguish, loneliness) |
| despondent(adjective, characteristic, gloom, tedium, monotony) |
| dim(adjective, characteristic, gloom, tedium, monotony) |
| dingy(adjective, characteristic, gloom, tedium, monotony) |
| disagreeable(adjective, characteristic, gloom, tedium, monotony) |
| discouraging(adjective, characteristic, gloom, tedium, monotony) |
| disease(noun, feeling, distress, depression, anguish) |
| disheartening(adjective, characteristic, gloom, tedium, monotony) |
| dismal(adjective, characteristic, gloom, tedium, monotony) |
| dispiriting(adjective, characteristic, gloom, tedium, monotony) |
| doleful(adjective, characteristic, gloom, tedium, monotony) |
| dolorous(adjective, characteristic, gloom, tedium, monotony) |
| dreary(adjective, characteristic, gloom, tedium, monotony) |
| dull(adjective, characteristic, gloom, tedium, monotony) |
| forlorn(adjective, characteristic, gloom, tedium, monotony) |
| frowning(adjective, characteristic, gloom, tedium, monotony) |
| funereal(adjective, characteristic, gloom, tedium, monotony) |