Find repugnant (7)
'find repugnant' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for abhor that I've seen before include "Regard with disgust and hatred" , "Sea between Africa and Australia" , "Hate or dislike intensely" , "can't stand" , "Dislike very much" .)
(Other definitions for despise that I've seen before include "Feel contempt for (someone/something)" , "Loathe, look down on" , "Abhor" , "Hold in contempt" , "Look down upon" .)