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Definitions

rigorous

[rig-er-uhs] / ˈrɪg ər əs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Before heading to space, MK1 underwent rigorous testing inside Chamber A at NASA's Johnson Space Center.

From Science Daily • May 6, 2026

Barclays predicts that by 2027, quantum systems will finally prove their superiority over classical computers in real-world applications—assuming those results withstand rigorous technical scrutiny.

From Barron's • May 6, 2026

The agency first approved mifepristone in 2000, after evaluation of rigorous studies demonstrating its effectiveness and safety.

From Slate • May 4, 2026

Fish and Wildlife Service protocols to identify tortoises and instead used less rigorous procedures, said Evan Levy, attorney for the Center for Biological Diversity.

From Los Angeles Times • Apr. 30, 2026

Mount Carmel, with its strong Catholic-league basketball team and rigorous curriculum, had seemed the best solution—worth the thousands of dollars it was costing my parents.

From "Becoming" by Michelle Obama




Vocabulary lists containing rigorous