Hard
Hard adverb - In a manner so as to cause loss or suffering.
Usage example: the dog had been treated hard by his previous owner
Obdurately and hard are semantically related. In some cases you can use "Obdurately" instead an adverb "Hard".
Obdurately
Obdurately adverb - In a stubborn unregenerate manner.
Hard and obdurately are semantically related. Sometimes you can use "Hard" instead an adverb "Obdurately".
Cite this Source
Obdurately and Hard. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/hard/obdurately
Hard & Obdurately. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/hard/obdurately>.
Obdurately or Hard. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/hard/obdurately.
Google Ngram Viewer shows how "hard" and "obdurately" have occurred on timeline