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[rahy-vuh l-ruh s] /ˈraɪ vəl rəs/
characterized by rivalry; competitive:
the rivalrous aspect of their friendship.
Origin of rivalrous
1805-15; rivalr(y) + -ous
Related forms
rivalrousness, noun
unrivalrous, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for rivalrous
  • All of these goods are rivalrous and excludable, on the private market.
  • It's rivalrous: if a doctor is busy taking care of my cancer, he's not taking care of yours.
  • Getting the country's rivalrous regions to co-operate in the venture was a feat in itself.
  • Throughout the day the storms become worse and the rivalrous race becomes more intense.
Word Origin and History for rivalrous

1812; see rivalry + -ous.

Online Etymology Dictionary, © 2010 Douglas Harper
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