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
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Antonyms & Near Antonyms
2
as in accurate
meeting the highest standard of accuracy
a rigorous analysis of the data
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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
Example Sentences
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Recent Examples of rigorous
Applications are quite rigorous by elementary school standards.
—
Austin Horn
july 1,
Miami Herald,
1 July 2026
The Hoka Clifton 10 Sneakers were put through rigorous testing by InStyle reviewer Danielle R.
—
Tamim Alnuweiri,
InStyle,
1 July 2026
The arbitrary classification defies public health knowledge and ignores decades of rigorous health services literature.
—
David S. Shapiro,
STAT,
30 June 2026
According to Lacey, who helped set up the Code Four program last year, enforcing the law requires a clear grasp of ethics and a rigorous attention to detail to make sure the job is done well.
—
Noah Daly
june 26,
Idaho Statesman,
26 June 2026
See All Example Sentences for rigorous
Austin Horn
july 1,
Miami Herald,
1 July 2026
The Hoka Clifton 10 Sneakers were put through rigorous testing by InStyle reviewer Danielle R.
—
Tamim Alnuweiri,
InStyle,
1 July 2026
The arbitrary classification defies public health knowledge and ignores decades of rigorous health services literature.
—
David S. Shapiro,
STAT,
30 June 2026
According to Lacey, who helped set up the Code Four program last year, enforcing the law requires a clear grasp of ethics and a rigorous attention to detail to make sure the job is done well.
—
Noah Daly
june 26,
Idaho Statesman,
26 June 2026
See All Example Sentences for rigorous
Recent Examples of Synonyms for rigorous
Adjective
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California has strict fireworks laws because of the combination of fire danger and population, Berlant said.
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In whatever role, expect Teng to be on a strict innings limit and pitch count for his next few outings at Triple-A Sugar Land.
Adjective
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Prices were accurate at the time of publication but may change.
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Television executives say those viewers have always been watching at bars, restaurants and other locations, so now the ratings are a more accurate reflection of the real audience size.
Adjective
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Regulatory Compliance As privacy and security regulations become more stringent, organizations will need stronger methods for proving access integrity and identity assurance.
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The bill would impose stringent voting rules, including eliminating mail ballots, with some exceptions, and set voter ID and proof-of-citizenship requirements.
Adjective
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Sarah Buck, Chicago Driving has become harder The rapid increase in bike lanes has made driving much more difficult and tedious, with numerous delays due to many streets being reduced to one lane in busy areas.
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Republican strategists have welcomed those nominations as an opening for attack in a difficult election year.
Adjective
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MacDonald agrees that some of Kiros' positions could put Democratic candidates in a tough spot.
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The 34 measures include cuts to income tax for low- and middle income families, an overhaul of the creaking pension system, tougher rules for employees' sick leave and a reduction of the country's stifling bureaucracy.
Adjective
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Researchers think this is because walking is a highly dynamic behaviour that requires precise timing across both sides of the body.
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Financial markets depend on precise timing to synchronize transactions.
Adjective
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This enduring legacy, underscores the lawyer's role as an officer of the court, preserving the rule of law even when challenging authority.
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Educate your family on our country’s history, both good and challenging.
Adjective
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White settlers and frontier pioneers built vast, fenceless cattle stations, battling harsh environments and disease, embracing a hard-living culture that exists to this day.
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Dish Soap Using harsh chemicals on the outside of your toilet bowl and fixtures is not recommended, according to Meagher.
Cite this Entry
“Rigorous.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/rigorous. Accessed 5 Jul. 2026.
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