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rivalrous

[rahy-vuh l-ruh s] /ˈraɪ vəl rəs/
adjective
1.
characterized by rivalry; competitive:
the rivalrous aspect of their friendship.
Origin
1805-1815
1805-15; rivalr(y) + -ous
Related forms
rivalrousness, noun
unrivalrous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for un rivalrous

rivalrous

adj.

1812; see rivalry + -ous.

Online Etymology Dictionary, © 2010 Douglas Harper
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