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

  1. rigorous, strictadjective

    rigidly accurate; allowing no deviation from a standard

    "rigorous application of the law"; "a strict vegetarian"

  2. rigorous, stringent, tightadjective

    demanding strict attention to rules and procedures

    "rigorous discipline"; "tight security"; "stringent safety measures"

GCIDE

  1. Rigorousadjective

    (Mathematics, Logic) Adhering scrupulously and exactly to accepted principles; hence, logically valid; as, a rigorous proof.

Wiktionary

  1. 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.

  2. rigorousadjective

    Severe; intense; inclement; as, a rigorous winter.

  3. rigorousadjective

    Violent.

Samuel Johnson's Dictionary

  1. 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

  1. 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

  1. 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

  1. 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

  2. Rigorousadjective

    severe; intense; inclement; as, a rigorous winter

  3. Rigorousadjective

    violent

  4. Etymology: [F. rigoureux, LL. rigorosus. See Rigor.]

Usage in printed sourcesFrom: 

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Numerology

  1. Chaldean Numerology

    The numerical value of Rigorous in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of Rigorous in Pythagorean Numerology is: 5

Examples of Rigorous in a Sentence

  1. Todd Pugatch:

    The more we contribute to this rigorous evidence base of the real threat of the climate crisis, hopefully, it will have a policy impact.

  2. The FDA:

    Biosimilars will provide access to important therapies for patients who need them, patients and the health care community can be confident that biosimilar products approved by the FDA meet the agency’s rigorous safety, efficacy and quality standards.

  3. Jack Mozloom:

    Our members would be in favor of the increased penalties, just as they support mandatory e-verify and more rigorous enforcement of our immigrations laws.

  4. Jeff Weaver:

    Anybody who follows Bernie Sanders for one day and sees his schedule, and how rigorous it is, and how he drives everybody around him, works them into the ground with the amount of work and energy he has, I think they would understand that his chronological age is just not really a measure of his true age, bernie Sanders is an extremely energetic and vigorous person, and has more energy, I would say, than people half his age.

  5. Alex French:

    We feel fortunate that The Atlantic decided to work with us, and we are grateful that the piece has gone through The Atlantic's thoughtful editorial process, which included another rigorous fact-check and robust legal vetting, singer's response to The Atlantic story wrongfully used' homophobia' to deflect from sexual assault allegations and GLAAD urges the media and the industry at large to not gloss over the fact that survivors of sexual assault should be put first.

Popularity rank by frequency of use

Rigorous#10000#13774#100000

Translations for Rigorous

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"Rigorous." Definitions.net. STANDS4 LLC, 2025. Web. 22 Jan. 2025. <https://www.definitions.net/definition/Rigorous>.

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