Harden
Harden verb - To become physically firm or solid.
Common collocations
| skin | harden skin | pair skin |
Cite this Source
Pair and Harden. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/harden/pair
Harden & Pair. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/harden/pair>.
Pair or Harden. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/harden/pair.
Google Ngram Viewer shows how "harden" and "pair" have occurred on timeline