Synonyms of griping

1 Syllable

crab, yawp, grouch, moan, squawk, nag, carp, kvetch, fuss, groan

2 Syllables

grumpy, carping, kvetching, putout, grumpier, whine, yammer, ennuied, fed-up, put-out, grouse, mutter, grumble, murmur, quibbling

3 Syllables

bellyache, unsated, disgruntled

4 Syllables

dissatisfied, discontented, unappeased, malcontented, unassuaged, ungratified