a. rare. [f. prec. + -AL 1.] Of antagonistic character or tendency.
1630. J. Taylor (Water P.), Wks., III. 76. There hath been an Antagonisticall repugnancy betwixt vs.
1842. Poe, M. Roget, Wks. 1864, I. 230. Until the instances … be sufficient in number to establish an antagonistical rule.
