ANTAGONISTIC; ANTAGONISTICAL 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.
ANTIDOTE n.
teract the effects of poison, or of anything noxious taken into the stomach; -- used with against, for, or to; as, an antidote against, for, or to, poison.