antipathy, dislike, repugnance, abhorrence, hatred, loathing, revulsion, antagonism, hostility, distaste, disinclination, reluctance, disrelish, disgust, detestation, abomination, horror, allergy*; see also hatred 1, objection 1.
aversion and antipathy both imply an ingrained feeling against that which is disagreeable or offensive, aversion stressing avoidance or rejection, and antipathy, active hostility; repugnance emphasizes the emotional resistance or opposition one offers to that which is incompatible with one's ideas, tastes, etc.; loathing suggests a feeling of extreme disgust or intolerance; revulsion suggests a drawing back or away from in disgust, horror, etc.; abhorrence implies a feeling of extreme aversion or repugnance
Extreme hostility and dislike:abhorrence, abomination, antipathy, detestation, hate, hatred, horror, loathing, repellence, repellency, repugnance, repugnancy, repulsion, revulsion. See love
An object of extreme dislike:abhorrence, abomination, anathema, bÃªte noire, bugbear, detestation, execration, hate. (Informal) horror. See love