Definition of: rival

(rī′vəl) noun
1. One who strives to equal or excel another, or is in pursuit of the same object as another; a competitor.
2. One equaling or nearly equaling another, in any respect.
3. Obs. An associate, or companion in office. See synonyms under ENEMY.
—v. ·valed or ·valled, ·val·ing or ·val·ling v.t.
1. To strive to equal or excel; compete with.
2. To be the equal of or a match for.
—v.i.
3. Archaic To be a competitor.
—adjective Standing in competition or emulation; having opposing claims to the same object; competing. [<F <L rivalis]