THESAURUS
grouch
Tartar, air a grievance, bear, beef, bellyache, bellyacher, bitch, clamor, complain, complainant, complainer, crab, crank, croak, croaker, crosspatch, dragon, faultfinder, feist, fire-eater, fret, fret and fume, frondeur, fury, fuss, gripe, griper, grizzly bear, groan, grouse, grouser, growl, growler, grumble, grumbler, grump, grunt, holler, hothead, hotspur, howl, kick, kicker, killjoy, kvetch, lodge a complaint, malcontent, mope, murmur, murmurer, mutter, mutterer, querulous person, raise a howl, reactionary, reactionist, rebel, register a complaint, scold, sorehead, sourpuss, spoilsport, squawk, sulk, take on, ugly customer, wet blanket, whiner, yap, yelp
ROGET THESAURUS
grouch
Sullenness
N
sullenness, morosity, spleen, churlishness, irascibility, moodiness, perversity, obstinacy, torvity, spinosity, crabbedness, ill temper, bad temper, ill humor, bad humor, sulks, dudgeon, mumps, dumps, doldrums, fit of the sulks, bouderie, black looks, scowl,
grouch, huff, sullen, sulky, ill-tempered, ill-humored, ill-affected, ill- disposed, grouty, in an ill temper, in a bad temper, in a shocking temper, in an ill humor, in a bad humor, in a shocking humor, out of temper, out of humor, knaggy, torvous, crusty, crabbed, sour, sour as a crab, surly, moody, spleenish, spleenly, splenetic, cankered, cross, crossgrained, perverse, wayward, humorsome, restiff, restive, cantankerous, intractable, exceptious, sinistrous, deaf to reason, unaccommodating, rusty, froward, cussed, dogged, grumpy, glum, grim, grum, morose, frumpish, in the sulks, out of sorts, scowling, glowering, growling, grouchy, peevish.