Case hardened
Callous and case hardened are semantically related. In some cases you can use "Callous" instead an adjective phrase "Case hardened".
Callous
Callous adjective - Having or showing a lack of sympathy or tender feelings.
Case hardened and callous are semantically related. Sometimes you can replace phrase "Case hardened" with "Callous", this terms are similar.
Mutual synonyms
Cite this Source
Callous and Case hardened. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/case_hardened/callous
Case hardened & Callous. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/case_hardened/callous>.
Callous or Case hardened. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/case_hardened/callous.
Google Ngram Viewer shows how "case hardened" and "callous" have occurred on timeline