re·pug·nant 
(rĭ-pŭgnənt)
(rĭ-pŭgnənt)adj.
1. Arousing disgust or aversion; offensive or repulsive: morally repugnant behavior.
2. Logic Contradictory; inconsistent.
[Middle English, antagonistic, from Old French, from Latin repugnāns, repugnant-, present participle of repugnāre, to fight against; see REPUGN.]
re·pugnant·ly adv.