Stringent
Stringent adjective - Not allowing for any exceptions or loosening of standards.
Usage example: stringent rules against unauthorized persons being in the building
Tough is a synonym for stringent in rigid topic. In some cases you can use "Tough" instead an adjective "Stringent", when it comes to topics like strict.
Nearby Words: stringency, stringently
Tough
Tough adjective - Difficult to endure.
Usage example: tough weather conditions on the top of the mountain all year long
Mutual synonyms
Cite this Source
Tough and Stringent. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/stringent/tough
Stringent & Tough. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/stringent/tough>.
Tough or Stringent. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/stringent/tough.
Google Ngram Viewer shows how "stringent" and "tough" have occurred on timeline