81 synonyms for unpleasant such as cross, abominable, annoying, and churlish. Unpleasant is an adjective, and its antonyms are pleasant, agreeable, and palatable.
Abominable, annoying, appalling, awful, bitter, detestable, disagreeable, disgusting, displeasing, distasteful, distressing, dreadful, execrable, foul, hateful, horrible, inedible, invidious, irksome, irritating, miserable, nasty, nauseating, objectionable, obnoxious, odious, off-putting, offensive, rancid, repellent, repugnant, repulsive, revolting, rotten, sickening, sour, terrible, troublesome, ugly, unappealing, unappetizing, uncomfortable, uneatable, uninviting, unpalatable, unsavoury, vexatious, and vile.
Annoying, bad-tempered, churlish, cross, cruel, disagreeable, frightful, ghastly, ill-humoured, ill-natured, ill-tempered, impolite, inconsiderate, insufferable, irritating, malicious, malign, mean, mean-spirited, nasty, obnoxious, poisonous, rude, spiteful, unattractive, unbearable, unfriendly, unlikable, unlovable, venomous, vicious, and vindictive.