hateful

Synonyms: abhorrent abominable accursed awful bitter blasted catty confounded cursed cussed damnable damned despicable despiteful detestable disgusting evil execrable forbidding foul gross heinous horrid infamous invidious loathsome malevolent malign mean odious offensive ornery pesky pestiferous repellent repugnant repulsive resentful revolting shuddersome spiteful uncool undesirable vicious vile

Antonyms: friendly kind likable lovable nice pleasant polite