[ uh-poh-nuh n-see ]
/ əˈpoʊ nən si /


an act or instance of opposing.
the state of being an opponent.

Origin of opponency

First recorded in 1720–30; oppon(ent) + -ency
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for opponency

  • We have no means of checking them with regard to opponency, and the University was probably in the same position.

    The Grey Friars in Oxford|Andrew G. Little