Repugn

from WordNet (r) 3.0 (2006)

repugn
    v 1: to make the subject of dispute, contention, or litigation;
         "They contested the outcome of the race" [syn: {contest},
         {contend}, {repugn}]

from The Collaborative International Dictionary of English v.0.48

Repugn \Re*pugn"\ (r?-p?n"), v. t. [F. r['e]pugner, L.
   repugnare, repugnatum; pref. re- + pugnare to fight. See
   {Pugnacious}.]
   To fight against; to oppose; to resist. [R.]
   [1913 Webster]

         Stubbornly he did repugn the truth.      --Shak.
   [1913 Webster]