<p><strong>Noun</strong></p><ul><li>A person who is competing for the same object or goal as another, or who tries to equal or outdo another; competitor.<ul><li>Synonyms: antagonist, adversary, emulator, opponent</li><li>Antonyms: ally</li></ul></li><li>A person or thing that is in a position to dispute another's preeminence or superiority; a stadium without a rival.</li><li>Obsolete: a companion in duty.</li></ul><p><strong>Adjective</strong></p><ul><li>Competing or standing in rivalry: rival businesses, rival suitors.<ul><li>Synonyms: opposed, competitive</li></ul></li></ul><p><strong>Verb</strong></p><ul><li><p>(used with object) rivaled, rivaling (or especially British) rivalled, rivalling. To compete with in rivalry; strive to win from, equal, or outdo.</p><ul><li>Synonyms: oppose</li><li>To prove to be a worthy rival of: He soon rivaled the others in skill.</li><li>To equal (something) as if in carrying on a rivalry: The Hudson rivals any European river in beauty.</li><li>Synonyms: emulate, match</li></ul></li><li><p>(used without object) rivaled, rivaling (or especially British) rivalled, rivalling. To engage in rivalry; compete.</p></li></ul>