[rahy-vuh l-ruh s]
See more synonyms for rivalrous on Thesaurus.com

Origin of rivalrous

First recorded in 1805–15; rivalr(y) + -ous
Related formsri·val·rous·ness, nounun·ri·val·rous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for rivalrous

aspiring, competitive, rivalrous

Word Origin and History for rivalrous

1812; see rivalry + -ous.

Online Etymology Dictionary, © 2010 Douglas Harper