Pronunciation: (rī'vul),[key] —n., adj., v.,-valed, -val•ing or (esp. Brit.)-valled, -val•ling.
—n. 1. a person who is competing for the same object or goal as another, or who tries to equal or outdo another; competitor.
2. a person or thing that is in a position to dispute another's preeminence or superiority: a stadium without a rival. 3. Obs.a companion in duty.
—adj. competing or standing in rivalry: rival suitors; rival businesses.
—v.t. 1. to compete with in rivalry: strive to win from, equal, or outdo.
2. to prove to be a worthy rival of: He soon rivaled the others in skill. 3. to equal (something) as if in carrying on a rivalry: The Hudson rivals any European river in beauty.