Harden
Harden verb - To become physically firm or solid.
Kiln
Kiln noun - A furnace for firing or burning or drying such things as porcelain or bricks.
Show all Definitions
Synonyms for Kiln
Nearby Words: kilned, kilning
Cite this Source
Kiln and Harden. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/harden/kiln
Harden & Kiln. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/harden/kiln>.
Kiln or Harden. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/harden/kiln.
Google Ngram Viewer shows how "harden" and "kiln" have occurred on timeline