rigorous

adjective rig·or·ous \ ˈri-g(ə-)rəs \

Definition of rigorous

1 :manifesting, exercising, or favoring rigor :very strict
2 a :marked by extremes of temperature or climate
3 :scrupulously accurate :precise

rigorously

adverb

rigorousness

noun

Examples of rigorous in a Sentence

  1. rigorous enforcement of the rules

  2. a rigorous course of study

  3. We subjected the data to a rigorous analysis.

Recent Examples of rigorous from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rigorous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of rigorous

15th century

Synonym Discussion of 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

RIGOROUS Defined for English Language Learners

rigorous

adjective

Definition of rigorous for English Language Learners

  • : very strict and demanding

  • : done carefully and with a lot of attention to detail

  • : difficult to endure because of extreme conditions


RIGOROUS Defined for Kids

rigorous

adjective rig·or·ous \ ˈri-gə-rəs \

Definition of rigorous for Students

1 :very strict
  • rigorous rules
2 :hard to endure because of extreme conditions :harsh
  • rigorous winters

rigorously

adverb


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