Antagonistic

{ An‐tag′o‐nis″tic (�), An‐tag′o‐nis″tic‐al (�), } a. Opposing in combat, combating; contending or acting against; as, antagonistic forces. — An‐tag′o‐nis″tic‐al‐ly, adv.

They were distinct, adverse, even antagonistic.

Milman.