antagonistical a. 对抗(性)的, 有反作用的, 敌对(性)的
Antagonistic \An*tag`o*nis"tic\, Antagonistical
\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.