Obstinate
Obstinate adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Sure and obstinate are semantically related. In some cases you can use "Sure" instead an adjective "Obstinate".
Nearby Words: obstinacy, obstinately
Mutual synonyms
Both words in one sentence
- Mules as well, although they are also a bit Mary Sue-ish (sterility aside), being described as "more patient, sure-footed, hardy and long-lived than horses, and they are considered less obstinate, faster, and more intelligent than donkeys."
Source: All Genes Are Co-Dominant
Cite this Source
Sure and Obstinate. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/obstinate/sure
Obstinate & Sure. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/obstinate/sure>.
Sure or Obstinate. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/obstinate/sure.
Google Ngram Viewer shows how "obstinate" and "sure" have occurred on timeline