What does rigorous mean?
Definitions for rigorous
ˈrɪg ər əsrig·or·ous
This dictionary definitions page includes all the possible meanings, example usage and translations of the word rigorous.
Princeton's WordNet
rigorous, strictadjective
rigidly accurate; allowing no deviation from a standard
"rigorous application of the law"; "a strict vegetarian"
rigorous, stringent, tightadjective
demanding strict attention to rules and procedures
"rigorous discipline"; "tight security"; "stringent safety measures"
GCIDE
Rigorousadjective
(Mathematics, Logic) Adhering scrupulously and exactly to accepted principles; hence, logically valid; as, a rigorous proof.
Wiktionary
rigorousadjective
Manifesting, exercising, or favoring rigour; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration.
rigorousadjective
Severe; intense; inclement; as, a rigorous winter.
rigorousadjective
Violent.
Samuel Johnson's Dictionary
Rigorousadjective
Severe; allowing no abatement.
Etymology: from rigour.
He shall be thrown down the Tarpeian rock
With rigorous hands; he hath resisted law,
And therefore law shall scorn him further trial,
Than the severity of publick power. William Shakespeare, Coriolanus.Are these terms hard and rigorous, beyond our capacities to perform? John Rogers, Sermons.
Wikipedia
rigorous
Rigour (British English) or rigor (American English; see spelling differences) describes a condition of stiffness or strictness. These constraints may be environmentally imposed, such as "the rigours of famine"; logically imposed, such as mathematical proofs which must maintain consistent answers; or socially imposed, such as the process of defining ethics and law.
ChatGPT
rigorous
Rigorous refers to something that is extremely thorough, careful or precise. It often implies strictness, severity, or a demand for high standards or discipline. It can be used to describe actions, processes, research, studies, or any work that requires detailed attention and effort. For example, a rigorous examination, rigorous standards, or rigorous training.
Webster Dictionary
Rigorousadjective
manifesting, exercising, or favoring rigor; allowing no abatement or mitigation; scrupulously accurate; exact; strict; severe; relentless; as, a rigorous officer of justice; a rigorous execution of law; a rigorous definition or demonstration
Rigorousadjective
severe; intense; inclement; as, a rigorous winter
Rigorousadjective
violent
Etymology: [F. rigoureux, LL. rigorosus. See Rigor.]
Usage in printed sourcesFrom:
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Numerology
Chaldean Numerology
The numerical value of rigorous in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of rigorous in Pythagorean Numerology is: 5
Examples of rigorous in a Sentence
We always acted for the good of everyone in an extraordinary emergency and we will not let anyone cast aspersions on the serious, rigorous work we have carried out.
It literally flies in the face of criticism of 'fake news' when you see how rigorous they are before anything ends up in that newspaper, the Fourth Estate.
We put them through an intensely rigorous screening process to make sure both parties were suitable.
The U.S. Army takes training seriously and prioritizes the safety of our soldiers, our allies, and civilians. We sincerely apologize to the business and its employees, we always learn from these exercises and are fully investigating the cause of this mistake. We will implement rigorous procedures to clearly define our training areas and prevent this type of incident in the future.
Aspects of our personality and neurodiversity are extremely personal and can be exploited, and therefore medical and research institutions have rigorous safeguards to keep this information private, as our country heads into a year of online learning, it's crucial that we know that children's educational data are not merged with marketing datasets that can then exploit these fundamentally private things about The Children.
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References
Translations for rigorous
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"rigorous." Definitions.net. STANDS4 LLC, 2025. Web. 21 Feb. 2025. <https://www.definitions.net/definition/rigorous>.
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