Flinthearted

Synonyms for "flinthearted" (19 found)

Ranked by relevance and common usage.

Closest matches (4)

callous calloused cold cold blooded

Strong matches (6)

cold of heart coldblooded coldhearted hard hard of heart hardened

Related words (9)

hardhearted heartless insensitive obdurate stonyhearted unfeeling unmerciful unnatural unresponsive

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.