Adamantine and Reasonable

Opposite meaning words

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

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Reasonable is an antonym for adamantine.

Nearby Word: adamant

Reasonable adjective - According to the rules of logic.

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Adamantine is an antonym for reasonable.

Cite this Source

Reasonable and Adamantine. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/adamantine/reasonable

Adamantine & Reasonable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/adamantine/reasonable>.

Reasonable or Adamantine. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/adamantine/reasonable.

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