Firm up
Firm up verb - To become physically firm or solid.
Usage example: wait for the modeling clay to firm up before handling the finished pot
Ossify
Ossify verb - Become bony.
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Synonyms for Ossify
Nearby Words: ossified, ossification, ossifying
Mutual synonyms
Cite this Source
Ossify and Firm up. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/firm_up/ossify
Firm up & Ossify. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/firm_up/ossify>.
Ossify or Firm up. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/firm_up/ossify.
Google Ngram Viewer shows how "firm up" and "ossify" have occurred on timeline