Immovable and Rigid

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

Rigid is a synonym for immovable in property topic. In some cases you can use "Rigid" instead an adjective "Immovable", when it comes to topics like fixed, established, immobile.

Nearby Words: immovability, immovably

Rigid

Rigid adjective - Not allowing for any exceptions or loosening of standards.
Usage example: rigid enforcement of drug laws

Immovable is a synonym for rigid in fixed topic. You can use "Immovable" instead an adjective "Rigid", if it concerns topics such as established, strict, immobile.

Nearby Words: rigor, rigidity, rigidly
Cite this Source
Rigid and Immovable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/immovable/rigid
Immovable & Rigid. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/immovable/rigid>.
Rigid or Immovable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/immovable/rigid.
Google Ngram Viewer shows how "immovable" and "rigid" have occurred on timeline