(a.) Fitted to cause loathing; exciting disgust; disgusting.

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