agon

noun4

1. •
   A struggle or contest; conflict; especially between the protagonist and antagonist in a literary work.

   • One way of reading Beowulf is to think of it as three agons in the hero's life[.] — 1999
2. •
   An intellectual conflict or apparent competition of ideas.

   • Freud's originality stemmed from his aggression and ambition in his agon with biology. — 1986
3. •
   A contest in ancient Greece, as in athletics or music, in which prizes were awarded.
4. •
   A two-player board game played on a hexagonally-tiled board, popular in Victorian times.