Certain
Obstinate
Obstinate adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Certain and obstinate are semantically related. Sometimes you can use "Certain" instead an adjective "Obstinate".
Nearby Words: obstinacy, obstinately
Mutual synonyms
Cite this Source
Obstinate and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/obstinate
Certain & Obstinate. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/obstinate>.
Obstinate or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/obstinate.
Google Ngram Viewer shows how "certain" and "obstinate" have occurred on timeline