Firm
Indurate
Indurate verb - To become physically firm or solid.
Usage example: clay that had been indurated by long exposure to the summer sun
Mutual synonyms
Cite this Source
Indurate and Firm. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/firm/indurate
Firm & Indurate. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/firm/indurate>.
Indurate or Firm. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/firm/indurate.
Google Ngram Viewer shows how "firm" and "indurate" have occurred on timeline