Erratic
Obdurate
Obdurate adjective - Having or showing a lack of sympathy or tender feelings.
Erratic and obdurate are semantically related. Sometimes you can use "Erratic" instead an adjective "Obdurate".
Nearby Words: obduracy, obdurately
Mutual synonyms
Cite this Source
Obdurate and Erratic. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/erratic/obdurate
Erratic & Obdurate. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/erratic/obdurate>.
Obdurate or Erratic. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/erratic/obdurate.
Google Ngram Viewer shows how "erratic" and "obdurate" have occurred on timeline