Hard
Hard adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: a woman with a hard will who never budged from her chosen path
Refractory and hard are semantically related In some cases you can use "Refractory" instead an adjective "Hard".
Refractory
Refractory adjective - Given to resisting authority or another's control.
Hard and refractory are semantically related in inflexible topic. Sometimes you can use "Hard" instead an adjective "Refractory".
Mutual synonyms
Cite this Source
Refractory and Hard. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hard/refractory
Hard & Refractory. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hard/refractory>.
Refractory or Hard. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hard/refractory.
Google Ngram Viewer shows how "hard" and "refractory" have occurred on timeline