Deeply sincere and genuine; coming from the heart with true emotion and authenticity.
From 'heart' + 'felt' (past tense of feel). A relatively modern compound (emerging in the 1700s) that combines two ancient concepts of emotional authenticity.
Unlike 'sincere' (which comes from Latin for 'pure'), 'heartfelt' is uniquely English—it literally places emotion in the organ we've associated with feelings for millennia, blending physiology with poetry.
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