1 soften, thaw, liquefy, fuse, dissolve, liquidize, deliquesce:
You'd better eat that ice-cream before it melts.
2 soften, thaw, mollify, assuage, touch, move, disarm, mellow:
The look on the child's face melted his icy reserve.
3 Usually, melt into. blend, fade, merge, disappear, dissolve, shrink:
As soon as the police arrived, Phyllis tried to melt into the background
4 melt away. disappear, dissolve, vanish, evaporate, go away, fade, pass, decline, decrease, shrink, dwindle, diminish:
When the company began to make a profit, all his previous reservations melted away.