melt in WordNet English dictionary

1. become or cause to become soft or liquid
   "The sun melted the ice"; "the ice thawed"; "the ice cream melted"; "The heat melted the wax"; "The giant iceberg dissolved over the years during the global warming phase"; "dethaw the meat"
   dissolve  thaw  unfreeze  unthaw  dethaw  melt 
   
2. become less intense and fade away gradually
   "her resistance melted under his charm"; "her hopes evaporated after years of waiting for her fiance"
   melt  disappear  evaporate 
   
3. become less clearly visible or distinguishable; disappear gradually or seemingly
   "The scene begins to fade"; "The tree trunks are melting into the forest at dusk"
   fade  melt 
   
4. lose its distinct outline or shape; blend gradually
   "Hundreds of actors were melting into the scene"
   melt  meld 
   
5. become more relaxed, easygoing, or genial
   "With age, he mellowed"
   mellow  melt  mellow out 
   
6. reduce or cause to be reduced from a solid to a liquid state, usually by heating
   "melt butter"; "melt down gold"; "The wax melted in the sun"
   melt  run  melt down 
   

1. the process whereby heat changes something from a solid to a liquid
   "the power failure caused a refrigerator melt that was a disaster"; "the thawing of a frozen turkey takes several hours"
   thaw  melt  thawing  melting