unfreeze

unfreeze
    v 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"
         [syn: {dissolve}, {thaw}, {unfreeze}, {unthaw}, {dethaw},
         {melt}]
    2: make (assets) available; "release the holdings in the
       dictator's bank account" [syn: {unblock}, {unfreeze}, {free},
       {release}] [ant: {block}, {freeze}, {immobilise},
       {immobilize}]
    

Unfreeze \Un*freeze"\, v. t. [1st pref. un- + freeze.]
   To thaw. [Obs.]
   [1913 Webster]