antipathetical

from WordNet (r) 3.0 (2006)

antipathetical
    adj 1: (usually followed by `to') strongly opposed;
           "antipathetic to new ideas"; "averse to taking risks";
           "loath to go on such short notice"; "clearly indisposed
           to grant their request" [syn: {antipathetic},
           {antipathetical}, {averse(p)}, {indisposed(p)},
           {loath(p)}, {loth(p)}]
    2: characterized by antagonism or antipathy; "slaves
       antagonistic to their masters"; "antipathetic factions within
       the party" [syn: {antagonistic}, {antipathetic},
       {antipathetical}]

from The Collaborative International Dictionary of English v.0.48

Antipathetic \An`ti*pa*thet"ic\, Antipathetical
\An`ti*pa*thet"ic*al\, a.
   Having a natural contrariety, or constitutional aversion, to
   a thing; characterized by antipathy; -- often followed by to.
   --Fuller.
   [1913 Webster]