opponency

American  

[uh-poh-nuhn-see] / əˈpoʊ nən si /

noun

1. an act or instance of opposing.

2. the state of being an opponent.

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Etymology

Origin of opponency

First recorded in 1720–30; oppon(ent) + -ency

Example Sentences

Inhibition between two oppositely tuned channels, as in motion opponency, is a universal principle of neuronal networks.

From Science Daily • Oct. 2, 2023

But their difference in education, in age, in intellectual aspiration and their opponency in disposition, early converted their union into an intimacy tolerated rather than prized, and entire separation ensued twenty years after.

From Life and Character of Richard Carlile by Holyoake, George Jacob