WordReference Random House Unabridged Dictionary of American English © 2020
ag•o•nis•tic (ag′ə nis′tik),USA pronunciation adj.
striving to overcome in argument.
- straining for effect:agonistic humor.
- Ancient Historyof or pertaining to ancient Greek athletic contests.
- Animal Behavior[Ethology.]pertaining to the range of activities associated with aggressive encounters between members of the same species, including threat, attack, appeasement, or retreat.
- Greek agōnistikós, equivalent. to agōnist(é̄s) agonist + -ikos -ic