[{"Bold_text": "noun", "List Items": ["a person who is competing for the same object or goal as another, or who tries to equal or outdo another; competitor .Synonyms: antagonist , adversary , emulator , opponent Antonyms: ally", "a person or thing that is in a position to dispute another's preeminence or superiority:a stadium without a rival.", "Obsolete.a companion in duty."]}, {"Bold_text": "adjective", "List Items": ["competing or standing in rivalry :rival businesses.rival suitors;rival businesses.Synonyms: opposed , competitive"]}, {"Bold_text": "verb (used with object)", "List Items": ["to compete with in rivalry; strive to win from, equal, or outdo.Synonyms: oppose", "to prove to be a worthy rival of:He soon rivaled the others in skill.", "to equal (something) as if in carrying on a rivalry:The Hudson rivals any European river in beauty.Synonyms: emulate , match"]}, {"Bold_text": "verb (used without object)", "List Items": ["to engage in rivalry; compete ."]}]