Adamantine and Rock hard

Adamantine

Adamantine adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.

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

Nearby Word: adamant

Rock hard

Definitions of Adamantine not found.

Adamantine and rock hard are semantically related in hard like rock topic. You can use "Adamantine" instead an adjective phrase "Rock hard".
Cite this Source
Rock hard and Adamantine. (2016). Retrieved 2026, August 09, from https://thesaurus.plus/related/adamantine/rock_hard
Adamantine & Rock hard. N.p., 2016. Web. 09 Aug. 2026. <https://thesaurus.plus/related/adamantine/rock_hard>.
Rock hard or Adamantine. 2016. Accessed August 09, 2026. https://thesaurus.plus/related/adamantine/rock_hard.
Google Ngram Viewer shows how "adamantine" and "rock hard" have occurred on timeline