The Collaborative International Dictionary of English v.0.48:

Abhorrence \Ab*hor"rence\, n.
   Extreme hatred or detestation; the feeling of utter dislike.
   [1913 Webster]

WordNet (r) 3.0 (2006):

abhorrence
    n 1: hate coupled with disgust [syn: abhorrence,
         abomination, detestation, execration, loathing,
         odium]