Agonistic Relating Adjective Ag·O·Nis·Tic  Of Athletic Contests Ancient

ag·o·nis·tic
 \\ˌa-gə-ˈnis-tik\\ adjective1. of or relating to the athletic contests of ancient Greece
2. 

argumentative

3. striving for effect : 

strained

4. of, relating to, or being aggressive or defensive social interaction (as fighting, fleeing, or submitting) between individuals usually of the same species
• ag·o·nis·ti·cal·ly  \\-ti-k(ə-)lē\\ adverb

ag·o·nis·tic
I. \|agə|nistik\ adjective
also ag·o·nis·ti·cal \-tə̇kəl\
Etymology: Late Latin agonisticus of a contest, from Greek agōnistikos fit for combat, contentious, from agōnistēs + -ikos -ic, -ical
1. : of or relating to the athletic contests of ancient Greece
 < agonistic inscriptions >
2. : seeking to overcome in discussion or debate : 
 < a dialectical and agonistic approach to knowledge >
3. : striving for effect : 
 < agonistic poses >
• ag·o·nis·ti·cal·ly \-tə̇k(ə)lē\ adverb
II. adjective
: of, relating to, or being aggressive or defensive social interaction (as fighting, fleeing, or submitting) between individuals usually of the same species 
 < agonistic behavior >