"antipathetic" in the adjective sense
1. 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"
2. antagonistic, antipathetic, antipathetical
characterized by antagonism or antipathy
"slaves antagonistic to their masters"
"antipathetic factions within the party"
Source: WordNet® (An amazing lexical database of English)
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