rigorous

adjective
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

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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.
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Recent Examples on the Web

This single, failed, anomalous project in no way represents the U.S. wind fleet, which goes through a rigorous and thorough process to ensure compliance with all regulations before construction. WSJ, "Well-Sited Wind Towers Make Good Sense," 11 Feb. 2019 If your previous queries have suggested an attitude, pro or con, search results may be biased to give you more of the same rather than to find the most scientifically rigorous conclusions. Edward Tenner, Time, "Search Engines May Seem All-Knowing, But They’re Not. Here’s How to Get More Trustworthy Results," 26 June 2018 Until now, the most rigorous of those guidelines have been available for doctors to peruse in a single location: the government’s Agency for Healthcare Research and Quality’s National Guidelines Clearinghouse (NGC). Ivan Oransky, STAT, "Trump administration is shutting down practice-guidelines clearinghouse for doctors," 13 June 2018 To prevent that from happening, NASA manufactures its spacecraft in the most rigorous of clean rooms. Avery Thompson, Popular Mechanics, "It Turns Out Bacteria Can Eat the Chemicals NASA Puts on Spacecraft to Kill Them," 6 June 2018 Civilian ships aren’t meant to fight and are built to a less rigorous standard. Kyle Mizokami, Popular Mechanics, "Should the U.S. Navy Turn Merchant Ships into Floating Missile Magazines?," 10 Jan. 2019 Another conclusion that the Euro-NCAP poll arrived at was that much of this confusion could be mitigated if features like Autopilot, or even Navigate, were subjected to more rigorous standards. Sean O'kane, The Verge, "Tesla stopped promoting the ‘Full Self-Driving’ option for its cars," 20 Oct. 2018 At Frito-Lay, food safety is always our number one priority, and our snacks meet all applicable food safety regulations as well as our rigorous quality standards. Fox News, "Tennessee teen's love of spicy snacks led to gallbladder removal, mom claims," 2 Oct. 2018 According to animal welfare advocates the Times spoke to, meat companies can easily qualify for American Humane Certified status since the American Humane Association has less rigorous standards than other groups. Gaby Del Valle, Vox, "The owner of a Maine lobster pound is sedating her lobsters with marijuana before killing them.," 19 Sep. 2018

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.

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First Known Use of rigorous

15th century, in the meaning defined at sense 1

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Dictionary Entries near rigorous

rigor

rigorism

rigor mortis

rigorous

rigour

rig-out

rigsby

Statistics for rigorous

Last Updated

21 Apr 2019

Look-up Popularity

Time Traveler for rigorous

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

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More Definitions for rigorous

rigorous

adjective

English Language Learners Definition of rigorous

: very strict and demanding
: done carefully and with a lot of attention to detail
: difficult to endure because of extreme conditions

rigorous

adjective
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

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More from Merriam-Webster on rigorous

Thesaurus: All synonyms and antonyms for rigorous

Spanish Central: Translation of rigorous

Nglish: Translation of rigorous for Spanish Speakers

Britannica English: Translation of rigorous for Arabic Speakers

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