Synonyms of low-spirited

1 Syllable
blue, sad, down
2 Syllables
saddest, tristful, forlorn, mirthless, sadder, gloomy, downcast
3 Syllables
crestfallen, despondent, dejected, downhearted, depressed
4 Syllables
woebegone, melancholic, melancholy, discouraged