Synonyms of disagreeable

1 Syllable
cross, lou, rude, rank
2 Syllables
piller, heeler, nagging, surly, cranky, snappier, waspish, curdled, thankless, dismal, crabbed, olid, carious, peevish, whiny, seamy, plaguy, crankier, crankiest, punker, crosser, seamier, horrid, painful, rancid, grouchy, nastier, frightful, smarting, ranker, rankest, troublous, hard-time, sickie, toucher, grating, churlish, snappy, pettish, brusque, nasty, nastiest, ugly, uptight
3 Syllables
disturbing, contentious, petulant, ungracious, crotchety, unpleasant, ornery, horrific, feculent, forbidding, strong-smelling, putrescent, difficult, obnoxious, horrible, upsetting, vexatious, unfriendly, liverish, off-putting, unsettling, eristic, harsh-sounding, hateable, displeasing, offputting, contrary, perturbing, repugnant, unsightly, hardnosed, querulous
4 Syllables
ill-natured, bellicose, cantankerous, ungraciousness, undesired, unwished-for, unsatisfying, unfulfilling, unreturned, untimely, evil-smelling, disputatious, unwelcome, unsuitable, repulsive, ungregarious, inedible, offensive, embarrassing, disobliging, tempersome, disappointing, dislikable, distasteful, unlikable, uncongenial, unsavory, unneighborly
5 Syllables
unhospitable, exceptionable, putrefactive, unpleasant-tasting, unwelcomeness, unacceptable, unconformable, uncomfortable, undesirable, unpalatable, objectionable
6 Syllables
inhospitality, inhospitableness