Synonyms of disgruntled

2 Syllables

grousing, sulky, peevish, sullen, vexed, kicking, grumpy, annoyed, huffier, grouchy, kvetching, crabby, huffy, putout, cranky, peeved, crabbing, grumpier, griping, ennuied, fed-up, put-out, testy, huffish, miffed

3 Syllables

bellyaching, uncontent, displeased, petulant, indignant, malcontent, discontent, unsated

4 Syllables

disappointed, dissatisfied, discontented, irritable, irritated, malcontented, unappeased, unassuaged, ungratified