Synonyms of ennui

1 Syllable
blahs, tire, yawn, blues, dumps
2 Syllables
unrest, sadness, surfeit, dismals, languor, tedium, doldrums
3 Syllables
wistfulness, fatigue, depressions, listlessness, levelness, woefulness, abjectness, inaction, apathy, boredoms, dejection, gloominess, fecklessness, languishment, weariness, satiety, languidness, depression, boredom, inactions, jadedness, dolefuls
4 Syllables
pensiveness, monotone, irksomeness, melancholy, spiritlessness, malcontentment, fatigation, lassitude, monotony, colorlessness, overstraining, world-weariness, querulousness
5 Syllables
disconsolation, lugubriosity, pococurantism, deliquescence, overtiredness, dissatisfaction, dissatisfactions, repetitiousness, equability, unchangeableness, miserableness, tiresomeness
6 Syllables
invariability, repetitiveness