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rival2 past tense and past participle rivalled, present participle rivalling British English, past tense and past participle rivaled, present participle rivaling American English
[transitive] to be as good or important as someone or something else [↪ unrivalled]: 
The college's facilities rival those of Harvard and Yale.a stadium to rival any in the world
The college's facilities rival those of Harvard and Yale.a stadium to rival any in the world
