1 unpleasant, unpleasing, offensive, distasteful, repugnant, obnoxious, repellent, repulsive, objectionable, revolting, odious:
He found the heat and humidity in the tropics most disagreeable.
2 offensive, noxious, unsavoury, unpalatable, nauseating, nauseous, nasty, sickening, disgusting, revolting, repellent, abominable, objectionable:
A disagreeable odour arose from the beggar on the doorstep.
3 bad-tempered, ill-tempered, disobliging, uncooperative, unfriendly, uncivil, abrupt, blunt, curt, brusque, short, uncourtly, impolite, bad-mannered, ill-mannered, discourteous, rude, ill-tempered, bad-tempered, testy, grouchy, splenetic, cross, ill-humoured, peevish, morose, sulky, sullen:
Brian became quite disagreeable, and I did not see him again.