Harden
Harden verb - To become physically firm or solid.
Usage example: the glue begins to harden as soon as it is exposed to air
Solidify is a synonym for harden in ossify topic. In some cases you can use "Solidify" instead a verb "Harden", when it comes to topics like solid, make or become solid. popular alternative
Mutual synonyms
Common collocations
Cite this Source
Solidify and Harden. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/harden/solidify
Harden & Solidify. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/harden/solidify>.
Solidify or Harden. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/harden/solidify.
Google Ngram Viewer shows how "harden" and "solidify" have occurred on timeline