Rigorous
Rigorous adjective - Not allowing for any exceptions or loosening of standards.
Usage example: a rigorous diet and exercise regimen
Stringent is a synonym for rigorous in strict topic. In some cases you can use "Stringent" instead an adjective "Rigorous", when it comes to topics like severe. popular alternative
Stringent
Stringent adjective - Not allowing for any exceptions or loosening of standards.
Usage example: stringent rules against unauthorized persons being in the building
Rigorous is a synonym for stringent in strict topic. You can use "Rigorous" instead an adjective "Stringent", if it concerns topics such as rigid, severe. popular alternative
Nearby Words: stringency, stringently
Mutual synonyms
Related pairs
Cite this Source
Stringent and Rigorous. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/rigorous/stringent
Rigorous & Stringent. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/rigorous/stringent>.
Stringent or Rigorous. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/rigorous/stringent.
Google Ngram Viewer shows how "rigorous" and "stringent" have occurred on timeline