To shrink back with horror, disgust, or dislike; to be contrary or averse; with find repugnant; "I loathe that man"; "She abhors cats
If you abhor something, you hate it very much, especially for moral reasons. He was a man who abhorred violence and was deeply committed to reconciliation = detest. to hate a kind of behaviour or way of thinking, especially because you think it is morally wrong
[ &b-'hor, ab- ] (transitive verb.) 15th century. First attested in 1449. From Latin abhorreō (“abhor”), from ab (“from, away from”) + horreō (“stand aghast”). Cognate with French abhorrer.