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Flinthearted has 7 synonyms. The top synonyms for flinthearted are hard of heart, cold of heart, unresponsive, stonyhearted, hardhearted, coldblooded, unmerciful. Browse the full list below.
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| Random | DefinitionA common synonym for flinthearted is hard of heart. Other synonyms include cold of heart, unresponsive, stonyhearted, hardhearted.
Flinthearted has 7 synonyms listed on Thesaurasize.
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