Adamantine and Immovable

Adamantine

Adamantine adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Usage example: the adamantine opposition of his parents to his marriage to a girl from a poor family

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

Nearby Word: adamant

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

Adamantine and immovable are semantically related. Sometimes you can use "Adamantine" instead an adjective "Immovable".

Nearby Words: immovability, immovably
Cite this Source
Immovable and Adamantine. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/adamantine/immovable
Adamantine & Immovable. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/adamantine/immovable>.
Immovable or Adamantine. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/adamantine/immovable.
Google Ngram Viewer shows how "adamantine" and "immovable" have occurred on timeline