rig·​or·​ous | \ ˈri-g(ə-)rəs How to pronounce rigorous (audio) \

Definition of rigorous

1 : manifesting, exercising, or favoring rigor : very strict
2a : marked by extremes of temperature or climate
b : harsh, severe
3 : scrupulously accurate : precise

Other Words from rigorous

rigorously adverb
rigorousness noun

Choose the Right Synonym for rigorous

rigid, rigorous, strict, stringent mean extremely severe or stern. rigid implies uncompromising inflexibility. rigid rules of conduct rigorous implies the imposition of hardship and difficulty. the rigorous training of recruits strict emphasizes undeviating conformity to rules, standards, or requirements. strict enforcement of the law stringent suggests severe, tight restriction or limitation. stringent standards of admission

Examples of rigorous in a Sentence

rigorous enforcement of the rules a rigorous course of study We subjected the data to a rigorous analysis.
Recent Examples on the Web Hyde ruled Jones out for the remainder of the 2022 season and presumed the prospect could miss part of 2023, too, although the recovery process for a position player compared with a pitcher is less rigorous. Andy Kostka, Baltimore Sun, 28 May 2022 Being rigorous about your routines and rituals will help children feel more secure. Amy Joyce, Washington Post, 25 May 2022 However, consumer-grade DNA tests may not always be as rigorous as clinical-grade DNA tests that your doctor’s office may order for you, Rajagopolan says. Kimberly Hickok, Popular Mechanics, 24 May 2022 Yet activists have been rigorous in their campaigns for change on social media and on the ground. Tamara Qiblawi, CNN, 13 May 2022 Rusk was rigorous in making sure each team had different skills in an effort to reduce bias to any one type of investment. Neil Senturia, San Diego Union-Tribune, 4 May 2022 Customers need to be rigorous in the sales inquiry process. John Hayes, Forbes, 27 Apr. 2022 The disclosure requirements are more rigorous for shareholders with 10% or more of a company’s shares, and there are additional rules against quick profit-taking. Los Angeles Times, 19 Apr. 2022 In middle school, my mother sent me to the Atlanta International School, which was academically rigorous. Marc Myers, WSJ, 8 Feb. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rigorous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of rigorous

15th century, in the meaning defined at sense 1

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Time Traveler for rigorous

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The first known use of rigorous was in the 15th century

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Dictionary Entries Near rigorous

rigor mortis



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Last Updated

12 Jun 2022

Cite this Entry

“Rigorous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rigorous. Accessed 30 Jun. 2022.

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More Definitions for rigorous


rig·​or·​ous | \ ˈri-gə-rəs How to pronounce rigorous (audio) \

Kids Definition of rigorous

1 : very strict rigorous rules
2 : hard to endure because of extreme conditions : harsh rigorous winters

Other Words from rigorous

rigorously adverb

More from Merriam-Webster on rigorous

Nglish: Translation of rigorous for Spanish Speakers

Britannica English: Translation of rigorous for Arabic Speakers


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