Synonyms of uncomfortable

1 Syllable
hard, harsh
2 Syllables
cramped, proofer, grievous, painful, thorny, sorest, awkward, chokier, sorer, strained, nagging, choky, wrecker, sheepish, annoying, galling, smarting, cheerless, bitter, queasy
3 Syllables
distressing, ill-fitting, abscessed, difficult, torturing, two-by-four, vexatious, self-conscious, ill-at-ease, padlocked, dolorous
4 Syllables
excruciating, wearisome, disagreeable, incommodious, irritating, troublesome, embarrassing, ulcerated, drearisome, agonizing, afflictive