Obdurate
Obdurate adjective - Having or showing a lack of sympathy or tender feelings.
Sure and obdurate are semantically related. In some cases you can use "Sure" instead an adjective "Obdurate".
Nearby Words: obduracy, obdurately
Mutual synonyms
Cite this Source
Sure and Obdurate. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/obdurate/sure
Obdurate & Sure. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/obdurate/sure>.
Sure or Obdurate. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/obdurate/sure.
Google Ngram Viewer shows how "obdurate" and "sure" have occurred on timeline