Make more stringent
Stiffen and make more stringent are semantically related. In some cases you can use "Stiffen" instead a verb phrase "Make more stringent".
Stiffen
Stiffen verb - To make more harsh, uncompromising, or severe.
Make more stringent and stiffen are semantically related. You can use "Make more stringent" instead a verb "Stiffen".
Cite this Source
Stiffen and Make more stringent. (2017). Retrieved 2026, August 15, from https://thesaurus.plus/related/make_more_stringent/stiffen
Make more stringent & Stiffen. N.p., 2017. Web. 15 Aug. 2026. <https://thesaurus.plus/related/make_more_stringent/stiffen>.
Stiffen or Make more stringent. 2017. Accessed August 15, 2026. https://thesaurus.plus/related/make_more_stringent/stiffen.