Synonyms of depressing

1 Syllable
black, bleak, sad
2 Syllables
joyless, mopey, troublous, mournful, gloomy, daunting, awful, drearier, somber, dreary, dismal
3 Syllables
saddening, heart-rending, dejecting, disturbing, distressing, perturbing, heartbreaking, funereal, unsettling, ungenial, upsetting, hopeless
4 Syllables
disappointing, oppressive, melancholic, unenjoyable, melancholy, depressive, unsatisfying, unfulfilling, discouraging, disheartening, dispiriting
5 Syllables
institutional, demoralizing, uninteresting, unentertaining, superincumbent