Refractory
Refractory adjective - Given to resisting authority or another's control.
Thickened and refractory are semantically related. In some cases you can use "Thickened" instead an adjective "Refractory".
Thickened
Thickened adjective - Made or having become thick.
Refractory and thickened are semantically related. Sometimes you can use "Refractory" instead an adjective "Thickened".
Cite this Source
Thickened and Refractory. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/refractory/thickened
Refractory & Thickened. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/refractory/thickened>.
Thickened or Refractory. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/refractory/thickened.
Google Ngram Viewer shows how "refractory" and "thickened" have occurred on timeline