THESAURUS
Grum
beetle-browed, black, black-browed, brooding, broody, chapfallen, crestfallen, dark, dejected, dour, dumpish, frowning, glowering, glum, grim, long-faced, lowering, melancholy, moodish, moody, mopey, moping, mopish, morose, mumpish, scowling, sulky, sullen, surly
ROGET THESAURUS
Grum
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.
Stridor
N
stridor, creak, creaking, discord, stridor, roughness, sharpness cacophony, cacoepy, acute note, high note, soprano, treble, tenor, alto, falsetto, penny trumpet, voce di testa, creaking, stridulous, harsh, coarse, hoarse, horrisonous, rough, gruff, grum, sepulchral, hollow, sharp, high, acute, shrill, trumpet-toned, piercing, ear-piercing, high-pitched, high-toned, cracked, discordant, cacophonous.