What is the meaning of Iron-hearted?

(a.) Hard-hearted; unfeeling; cruel; as, an iron-hearted master.
Webster's Revised Unabridged Dictionary
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APAWebster's. (2011). iron-hearted. Retrieved September 21, 2026, from http://smartdefine.org/iron-hearted/definitions/2023668
ChicagoWebster's. 2011. "iron-hearted" http://smartdefine.org/iron-hearted/definitions/2023668 (accessed September 21, 2026).
HarvardWebster's 2011, iron-hearted, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/iron-hearted/definitions/2023668>.
MLAWebster's. "iron-hearted" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/iron-hearted/definitions/2023668>