Source : Webster's Revised Unabridged Dictionary (1913)

Repugnant \Re*pug"nant\ (-nant), a. [F. r['e]pugnant, or L.
   repugnans, -antis, p. pr. of repugnare. See {Repugn}.]
   Disposed to fight against; hostile; at war with; being at
   variance; contrary; inconsistent; refractory; disobedient;
   also, distasteful in a high degree; offensive; -- usually
   followed by to, rarely and less properly by with; as, all
   rudeness was repugnant to her nature.

         [His sword] repugnant to command.        --Shak.

         There is no breach of a divine law but is more or less
         repugnant unto the will of the Lawgiver, God himself.
                                                  --Perkins.

   Syn: Opposite; opposed; adverse; contrary; inconsistent;
        irreconcilable; hostile; inimical.

Source : WordNet®

repugnant
     adj : offensive to the mind; "an abhorrent deed"; "the obscene
           massacre at Wounded Knee"; "morally repugnant customs";
           "repulsive behavior"; "the most repulsive character in
           recent novels" [syn: {abhorrent}, {detestable}, {obscene},
            {repulsive}]