Definition of "rigorously" []

• In a rigorous manner. (adverb)

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• "The Dutch and Italian schools are the two most original, or, as has been said, the only two to which the title rigorously belongs; the others being only daughters, or younger sisters, more or less resembling them."
• "Finally, he had just signed the entire emancipation of the national soil four years before the term rigorously prescribed by treaties."
• "They must train rigorously to get significantly stronger."