antithesistic, a. rare—1.
(ænˌtɪθɪˈsɪstɪk)
[f. as if on antithesist (n. of agent f. antithesize) + -ic: see -istic.]
Of the nature of an opponent; opposing, contrary.
| 1801 E. Darwin Zoon. IV. 234 The ideas..become exerted too violently for want of some antithesistic ideas. |