rigorous

adjective

rig·​or·​ous ˈri-g(ə-)rəs How to pronounce rigorous (audio)
1
: manifesting, exercising, or favoring rigor : very strict
2
a
: marked by extremes of temperature or climate
b
3
: scrupulously accurate : precise
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Kings hadn’t played since their double-overtime win over the Miami Heat on Monday, leaving three days between games, which likely would have meant at least one rigorous practice with Brown at the helm. Chris Biderman, Sacramento Bee, 11 Jan. 2025 Truth, in this sense, is sought and rendered, something produced by rigorous inquiry and informed consideration rather than something discovered. Fergus McIntosh, The New Yorker, 11 Jan. 2025 Simply put, financial advisors and investors alike must apply a rigorous lens in their due diligence and evaluate hedge fund strategies to better ensure their portfolios are diversified and equipped to thrive in today’s dynamic market environment. Steven Brod, Forbes, 10 Jan. 2025 The song is about Molina's upbringing in a rigorous Assembly of God church and her desire to recover her voice. Dustin Staggs, arkansasonline.com, 9 Jan. 2025 See all Example Sentences for rigorous 

Word History

First Known Use

15th century, in the meaning defined at sense 1

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

Dictionary Entries Near rigorous

Cite this Entry

“Rigorous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rigorous. Accessed 19 Jan. 2025.

Kids Definition

rigorous

adjective
rig·​or·​ous ˈrig-(ə-)rəs How to pronounce rigorous (audio)
1
: very strict
2
: marked by great differences of temperature or climate
3
: very accurate
rigorously adverb
rigorousness noun

More from Merriam-Webster on rigorous

Last Updated: - Updated example sentences
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