I. ˈrī-vəl noun
Etymology: Middle French or Latin; Middle French, from Latin rivalis one using the same stream as another, rival in love, from rivalis of a stream, from rivus stream — more at run
Date: 1577
1.
a. : one of two or more striving to reach or obtain something that only one can possess
b. : one striving for competitive advantage
2. obsolete : companion , associate
3. : one that equals another in desired qualities : peer
II. adjective
Date: 1590
: having the same pretensions or claims : competing
III. verb
( ri·valed or ri·valled ; ri·val·ing or ri·val·ling ˈrīv-(ə-)liŋ)
Date: 1605
intransitive verb
: to act as a rival : compete
transitive verb
1. : to be in competition with
2. : to strive to equal or excel : emulate
3. : to possess qualities or aptitudes that approach or equal (those of another)