List of obnoxious synonyms and obnoxious related words.
abhorrent, abject, abominable, arrant, atrocious, awful, base, beastly, beggarly, below contempt, beneath contempt, blameworthy, brutal, cheesy, contemptible, crude, crummy, debased, degraded, deplorable, depraved, despicable, detestable, dire, dirty, disgusting, dreadful, egregious, enormous, execrable, exposed, fetid, filthy, flagrant, forbidding, foul, fulsome, grave, grievous, gross, hateful, heinous, horrible, horrid, ignoble, infamous, invidious, lamentable, little, loathsome, lousy, low, low-down, lumpen, malodorous, mangy, mean, measly, mephitic, miasmal, miasmic, miserable, monstrous, nasty, nauseating, nefarious, noisome, notorious, noxious, objectionable, obscene, odious, offensive, open, outrageous, paltry, petty, pitiable, pitiful, poky, poor, prone, rank, rebarbative, regrettable, repellent, reprehensible, reptilian, repugnant, repulsive, revolting, revulsive, rotten, sad, scabby, scandalous, schlock, scrubby, scruffy, scummy, scurvy, sensitive, shabby, shameful, shocking, shoddy, sickening, small, sordid, squalid, stinking, subject, susceptible, terrible, too bad, unclean, unmentionable, vile, villainous, woeful, worst, worthless, wretched