animosity antagonism enmity hatred horror hostility loathing pain rancor resentment revenge venom abhorrence abomination anathema animus antipathy aversion bother bugbear detestation disgust execration frost grievance gripe irritant malevolence malignity nuisance objection odium rankling repugnance repulsion revulsion scorn spite trouble black beast bete noire ill will mislike nasty look no love lost