Repugnant (-nant), a.
Etymology: [F. répugnant, 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.
Shades of meaning
Fernald has no entry of its own for repugnant; he lists it under incongruous.
He lists it without comment; the entries above explain its neighbors.