Immovable and Pertinacious

Immovable

Immovable adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: despite tears and pleading, the police officer was immovable on the matter of a hefty fine for speeding

Pertinacious and immovable are semantically related. In some cases you can use "Pertinacious" instead an adjective "Immovable".

Nearby Words: immovability, immovably

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

Immovable and pertinacious are semantically related. Sometimes you can use "Immovable" instead an adjective "Pertinacious".

Nearby Word: pertinacity
Cite this Source
Pertinacious and Immovable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/immovable/pertinacious
Immovable & Pertinacious. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/immovable/pertinacious>.
Pertinacious or Immovable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/immovable/pertinacious.
Google Ngram Viewer shows how "immovable" and "pertinacious" have occurred on timeline