1
as in strict
given to exacting standards of discipline and self-restraint
a rigorous football coach who pushes his players to their physical and mental limits
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in accurate
meeting the highest standard of accuracy
a rigorous analysis of the data
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in stringent
not allowing for any exceptions or loosening of standards
a rigorous diet and exercise regimen
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4
as in difficult
requiring considerable physical or mental effort
studied for umpteen months for the rigorous exam
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Antonyms & Near Antonyms
1
as in severity
the quality or state of being demanding or unyielding (as in discipline or criticism)
the rigorousness of the training paid off when the dance students performed brilliantly at the recital
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2
as in accuracy
the quality or state of being very accurate
these days the rigorousness of electronic timing is necessary to measure the minute differences in the performances of Olympic athletes
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Example Sentences
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Recent Examples of rigorous
Neil Sperry, Fort Worth Star-Telegram, 22 May 2025
The decision left thousands of refugees, many living in camps for years and having undergone a rigorous vetting process, stranded.
—Yonat Shimron, NPR, 21 May 2025
Digital forensics demands rigorous methodology to ensure evidence integrity and reliable findings.
—Lars Daniel, Forbes.com, 12 May 2025
Members have included figures such as Benjamin Franklin, Charles Darwin and Martin Luther King Jr.
New members are chosen through a rigorous nomination and election process, according to the academy.
—Sacbee.com, 12 May 2025
See All Example Sentences for rigorous
Adjective
Established trees won’t need such rigorous attention.
—Neil Sperry, Fort Worth Star-Telegram, 22 May 2025
The decision left thousands of refugees, many living in camps for years and having undergone a rigorous vetting process, stranded.
—Yonat Shimron, NPR, 21 May 2025
Digital forensics demands rigorous methodology to ensure evidence integrity and reliable findings.
—Lars Daniel, Forbes.com, 12 May 2025
Members have included figures such as Benjamin Franklin, Charles Darwin and Martin Luther King Jr.
New members are chosen through a rigorous nomination and election process, according to the academy.
—Sacbee.com, 12 May 2025
See All Example Sentences for rigorous
Recent Examples of Synonyms for rigorous
Adjective
-
Under the measure's broad scope and strict distance limits, few areas in Ohio would remain open to such purchases.—
Mandy Taheri,
MSNBC Newsweek,
24 May 2025
-
Every lens test follows strict real-world testing, where every feature and all functions are tested to assess overall performance.—
James Abbott,
Space.com,
23 May 2025
Adjective
-
Forecasts will become less accurate in time, with people getting less lead time when inclement weather may impact their daily lives.—
Bryan Karrick,
The Orlando Sentinel,
30 May 2025
-
The ultra-wide camera retains steadiness but produces video with more accurate colors.—
PC Magazine,
PC Magazine,
29 May 2025
Adjective
-
This supports meeting stringent regulatory requirements like HIPAA, GDPR, CMMC and PCI-DSS, even for AI/ML workloads with highly sensitive datasets.—
Expert Panel®,
Forbes.com,
21 May 2025
-
Instead of dictating stringent requirements to contractors and purchasing the satellites outright, the Space Force will levy fewer requirements and select a commercial company to develop the next generation of GSSAP satellites.—
ArsTechnica,
ArsTechnica,
19 May 2025
Adjective
-
But the fact that Schwartzman, in his first film, was given the difficult task of stealing laughs away from a comedy legend, and so often succeeds in doing so, gives him the slight edge.—
Shannon Carlin,
Time,
30 May 2025
-
These connections are difficult to make from within, but consultants are trained to see across boundaries.—
Dr. Diane Hamilton,
Forbes.com,
30 May 2025
Noun
-
Vaccinations remain the best way to prevent coronavirus infection and lower the risk of subsequent long COVID by reducing the severity of the initial infection and immune response.—
The Washington Post,
San Diego Union-Tribune,
27 May 2025
-
The difference between a tropical storm and a hurricane comes down to wind speed, the most important factor in determining the severity of a storm and its classification.—
Ann Abel,
AFAR Media,
26 May 2025
Noun
-
Companies and creators who want to lead must invest in processes and structures that support accuracy and correct errors.—
Rhea Wessel,
Forbes.com,
28 May 2025
-
This group’s past five-year forecasts have proven to be highly accurate on a global scale, the report noted, with less accuracy for predictions on more regional levels.—
Andrew Freedman,
CNN Money,
28 May 2025
Adjective
-
Buy Now: Flashlight on Bookshop | Amazon | Barnes & Noble Bury Our Bones in the Midnight Soil, V. E. Schwab (June 10) V. E. Schwab’s sapphic vampire romance begins in 16th century Spain with Maria, a tough young bride, looking to escape her wealthy husband.—
Shannon Carlin,
Time,
22 May 2025
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Listen to this article After a tough loss to start the Big East Tournament, the UConn baseball team bounced back on a short turnaround to defeat and eliminate St. John’s, 13-3, in a losers’ bracket game Thursday in Mason, Ohio.—
Dom Amore,
Hartford Courant,
22 May 2025
Adjective
-
Producing energy depends on precise teamwork between nuclear DNA and mitochondrial DNA, like two musicians playing in perfect harmony.—
Elay Shech,
The Conversation,
30 May 2025
-
No human prompts are needed with agentic AI, and each agent can be set to target precise goals.—
Tom Dunlop,
Forbes.com,
30 May 2025
Cite this Entry
“Rigorous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rigorous. Accessed 4 Jun. 2025.
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