Make more rigorous and Stiffen

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Definitions of Make more rigorous not found.

Stiffen and make more rigorous are semantically related. In some cases you can use "Stiffen" instead a verb phrase "Make more rigorous".

Stiffen verb - To make more harsh, uncompromising, or severe.

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Make more rigorous and stiffen are semantically related. You can use "Make more rigorous" instead a verb "Stiffen".

Nearby Words: stiff, stiffness, stiffly, stiffening

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Stiffen and Make more rigorous. (2017). Retrieved 2026, August 15, from https://thesaurus.plus/related/make_more_rigorous/stiffen

Make more rigorous & Stiffen. N.p., 2017. Web. 15 Aug. 2026. <https://thesaurus.plus/related/make_more_rigorous/stiffen>.

Stiffen or Make more rigorous. 2017. Accessed August 15, 2026. https://thesaurus.plus/related/make_more_rigorous/stiffen.