ˈrīvəlrē, -lri noun
( -es )
Etymology: rival (I) + -ry
1. : the act of rivaling : the state of being a rival : competition
sibling rivalry in our society — Weston LaBarre
rivalry and even antagonism between the two nations — Edward Shils
excitable subjects are prone to overstimulation through rivalry — F.H.Allport
2. : an instance of rivalry
public reaction to the rivalries of the court factions — Evelyn G. Cruickshanks
3. : retinal rivalry