antipathetic, antipathetical, averse, indisposed, loath, loth -- ((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")
antagonistic, antipathetic, antipathetical -- (characterized by antagonism or antipathy; "slaves antagonistic to their masters"; "antipathetic factions within the party")