Synonyms of grumpier

1 Syllable
cross
2 Syllables
sulky, grumbling, peevish, sullen, grouchy, crabby, pettish, surly, griping, testy
3 Syllables
truculent, petulant, crotchety, querulous, disgruntled
4 Syllables
dissatisfied, irritable, cantankerous, bad-tempered