Definition of melt someone's heart
- It would have melted your heart to see her lying in that hospital bed.
: to become altered from a solid to a liquid state usually by heat
: dissolve, disintegrate
: to disappear as if by dissolving
: material in the molten state
: the mass melted at a single operation or the quantity melted during a specified period
: the action or process of melting or the period during which it occurs
: some person : somebody
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