objectionable

adjective

I thought Randolph was one of the most objectionable people I had ever met:

offensive, unpleasant, disagreeable, distasteful, displeasing, unacceptable, off-putting, undesirable, obnoxious;

nasty, disgusting, awful, terrible, dreadful, frightful, repulsive, repellent, repugnant, revolting, abhorrent, loathsome, hateful, detestable, reprehensible, deplorable, appalling, insufferable, intolerable, despicable, contemptible, beyond the pale, odious, vile, obscene, foul, unsavoury, unpalatable, sickening, nauseating, nauseous, noxious;

informal ghastly, horrible, horrid, sick-making;

British, informal beastly;

Northern Irish, informal bogging;

archaic disgustful, loathly;

rare exceptionable, rebarbative.

▷antonyms pleasant, agreeable, acceptable.

objectionable Oxford Dictionary of English