Adamantine
Adamantine adjective - Sticking to an opinion, purpose, or course of action in spite of reason, arguments, or persuasion.
Stiff and adamantine are semantically related. In some cases you can use "Stiff" instead an adjective "Adamantine".
Nearby Word: adamant
Stiff
Stiff adjective - Having a consistency that does not easily yield to pressure.
Usage example: stir two cups of flour with the remaining ingredients to make a stiff dough
Adamantine and stiff are semantically related. Sometimes you can use "Adamantine" instead an adjective "Stiff".
Mutual synonyms
Related pairs
Cite this Source
Stiff and Adamantine. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/adamantine/stiff
Adamantine & Stiff. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/adamantine/stiff>.
Stiff or Adamantine. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/adamantine/stiff.
Google Ngram Viewer shows how "adamantine" and "stiff" have occurred on timeline