to become altered from a solid to a liquid state by heating

to reduce (a substance) from a solid to a liquid state by heating

to dissolve or disintegrate

These chocolates melt in the mouth

to be or become mild, tender, or gentle

to disappear as if by dissolving

His anger melted

to be, become, or make tender or gentle

to lose distinct outline; to blend

I tried to melt into the background

to reduce (a substance) from a solid to a liquid state by heating

(+ down) to melt (e.g. scrap metal) for reuse

to cause (something) to dissolve or disappear

to make (somebody) tender or gentle

the act or process of melting

chiefly NAmer an open sandwich, burger, or other dish topped with melted cheese