Intransigent and Pertinacious

Intransigent

Intransigent adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: he has remained intransigent, refusing all suggestions for improvement of the process

Pertinacious is a synonym for intransigent. In some cases you can use "Pertinacious" instead an adjective "Intransigent".

Nearby Word: intransigence

Pertinacious

Pertinacious adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: a pertinacious salesman who would simply not take “No!” for an answer

Intransigent is a synonym for pertinacious in determined topic. You can use "Intransigent" instead an adjective "Pertinacious".

Nearby Word: pertinacity
Cite this Source
Pertinacious and Intransigent. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/intransigent/pertinacious
Intransigent & Pertinacious. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/intransigent/pertinacious>.
Pertinacious or Intransigent. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/intransigent/pertinacious.
Google Ngram Viewer shows how "intransigent" and "pertinacious" have occurred on timeline