Synonyms of crotchety

1 Syllable
queer, cross, odd
2 Syllables
grousing, fretful, peevish, crosser, crankiest, tetchier, crabbier, awkward, mumpish, grumpy, tetchy, huffier, crusty, grouchy, huffy, crabby, bearish, cranky, surly, grumpier, chuffier, waspish, chuffy, waspy, huffish, testier, testy, crankier, fractious
3 Syllables
uncordial, capricious, contrary, difficult, ornery, eccentric, unusual, vagarious, cross-grained, unfeeling
4 Syllables
ironhearted, ill-natured, unamiable, disagreeable, ill-tempered, irritable, cantankerous, bad-tempered, obstinate, tempersome, obstreperous, curmudgeonly, humorsome, vinegary, ill-humored
6 Syllables
oversensitive