Detestable

(a.) Worthy of being detested; abominable; extremely hateful; very odious; deserving abhorrence; as, detestable vices.

Thesaurus Entries

abhorrent, abominable, arrant, atrocious, awful, base, beastly, below contempt, beneath contempt, blameworthy, brutal, contemptible, crude, deplorable, despicable, despiteful, dire, disgusting, dreadful, egregious, enormous, execrable, fetid, filthy, flagrant, forbidding, foul, fulsome, grievous, gross, hateful, heinous, horrible, horrid, ignoble, infamous, lamentable, loathsome, lousy, malodorous, mephitic, miasmal, miasmic, monstrous, nasty, nauseating, nefarious, noisome, notorious, noxious, objectionable, obnoxious, obscene, odious, offensive, outrageous, pitiable, pitiful, rank, rebarbative, regrettable, repellent, reprehensible, repugnant, repulsive, revolting, rotten, sad, scandalous, schlock, scurvy, shabby, shameful, shocking, shoddy, sickening, sordid, sorry, squalid, stinking, terrible, too bad, unclean, unlikable, vile, villainous, woeful, worst, worthless, wretched