1. (a.) Manifesting hate or hatred; malignant; malevolent.

2. (a.) Exciting or deserving great dislike, aversion, or disgust; odious.

abhorrent abominable acrid antagonistic antipathetic arrant atrocious awful baleful base beastly belligerent below contempt beneath contempt bitchy bitter blameworthy brutal caustic clashing colliding conflicting contemptible contemptuous crude cussed deplorable despicable despiteful detestable dire disgusting dreadful egregious enormous evil execrable fetid filthy flagrant forbidding foul full of hate fulsome grievous gross harmful heinous horrible horrid hostile ignoble infamous iniquitous invidious lamentable loathsome lousy malefic maleficent malevolent malicious malign malignant malodorous mean mephitic miasmal miasmic monstrous nasty nauseating nefarious noisome notorious noxious objectionable obnoxious obscene odious offensive ornery outrageous pitiable pitiful quarrelsome rancorous rank rebarbative regrettable repellent reprehensible repugnant repulsive revolting rotten sad scandalous schlock scurvy set against shabby shameful shocking shoddy sickening sordid sore spiteful squalid stinking terrible too bad unclean unlikable venomous vile villainous virulent vitriolic wicked woeful worst worthless wretched