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61 entries under hard-hearted topic. ×

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with straight face(expression, adjective, idiom, unfeeling)
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APASmart Define. (2013). iron-hearted thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/iron-hearted/thesaurus/synonyms
ChicagoSmart Define. 2013. "iron-hearted thesaurus" https://smartdefine.org/iron-hearted/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2013, iron-hearted thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/iron-hearted/thesaurus/synonyms>.
MLASmart Define. "iron-hearted thesaurus" 19 May 2013. Web. 1 October 2026. <https://smartdefine.org/iron-hearted/thesaurus/synonyms>