Synonyms of mirthless

1 Syllable
low, glum, blue, grim, down
2 Syllables
joyless, downbeat, mournful, destroyed, trite, droopy, let-down, moony, sorry, moody, broody, dragged, wistful, woeful, somber, dismal, gloomy, downcast
3 Syllables
despondent, doleful, unhappier, saddening, unhappiest, sorrowful, saddened, funereal, dejected, unhappy, downhearted, pensive, dolorous, lugubrious
4 Syllables
low-spirited, woebegone, heavyhearted, lachrymose, tenebrific, melancholy, dispirited, miserable
5 Syllables
disconsolate