adj. 25B6; adjective UNPLEASANT, disagreeable, distasteful, displeasing, off-putting, undesirable, obnoxious, offensive, nasty, horrible, horrid, disgusting, awful, terrible, dreadful, frightful, appalling, insufferable, odious, vile, foul, unsavoury, repulsive, repellent, repugnant, revolting, abhorrent, loathsome, hateful, detestable, reprehensible, deplorable; informal ghastly; Brit. informal beastly; formal exceptionable, rebarbative.
pleasant.