Case-hardened
Case-hardened adjective - Having or showing a lack of sympathy or tender feelings.
Firm and case-hardened are semantically related. In some cases you can use "Firm" instead an adjective phrase "Case-hardened".
Firm
Firm adjective - Having a consistency that does not easily yield to pressure.
Usage example: cold butter that was too firm to spread
Case-hardened and firm are semantically related. Sometimes you can use "Case-hardened" instead an adjective "Firm".
Cite this Source
Firm and Case-hardened. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/case-hardened/firm
Case-hardened & Firm. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/case-hardened/firm>.
Firm or Case-hardened. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/case-hardened/firm.