Firm
Firm adjective - Fully committed to achieving a goal.
Usage example: asked him to reconsider, but he was firm in his commitment to the project
Obdurate is a synonym for firm in determined topic. In some cases you can use "Obdurate" instead an adjective "Firm", when it comes to topics like unyielding, unalterable, strict, unfaltering.
Obdurate
Obdurate adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: an obdurate farmer who could never be convinced to try a different method of fertilization
Firm is a synonym for obdurate in obstinate topic. You can use "Firm" instead an adjective "Obdurate", if it concerns topics such as unyielding, pigheaded.
Nearby Words: obduracy, obdurately
Mutual synonyms
Cite this Source
Obdurate and Firm. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/firm/obdurate
Firm & Obdurate. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/firm/obdurate>.
Obdurate or Firm. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/firm/obdurate.
Google Ngram Viewer shows how "firm" and "obdurate" have occurred on timeline