rigor

[rig-er] / ˈrɪg ər /

NOUN

strictness, exactness

Synonyms

STRONGEST

accuracy austerity difficulty firmness hardship harshness ordeal precision rigidity tenacity tribulation vicissitude

STRONG

affliction asperity conscientiousness conventionalism exactitude hardness inclemency inflexibility intolerance meticulousness obduracy preciseness privation punctiliousness roughness severity sternness stiffness stringency suffering thoroughness traditionalism trial visitation

Antonyms

STRONGEST

calm calmness ease happiness inaccuracy peace pleasure weakness

STRONG

health kindness

WEAK

elasticity flexibility leniency pliability

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dow Jones said it stands behind the “reliability, rigor and accuracy” of WSJ’s reporting.

From The Wall Street Journal • Apr. 13, 2026

That raises further questions in my mind about the rigor of the legal analysis here.

From Slate • Apr. 9, 2026

Webb did so by embodying professional excellence, constructing his cases with analytical rigor, painstaking research, and courage.

From Barron's • Apr. 7, 2026

This approach offers a much higher level of statistical rigor than most previous studies.

From Science Daily • Apr. 5, 2026

Guenever was stiff, as if she were in a rigor, and her face was drained white—-except that there was a red spot cm either side of her nostrils.

From "The Once and Future King" by T. H. White

Vocabulary lists containing rigor

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Declaration of the Rights of Woman (1791)

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