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Verb: unfreeze (unfroze,unfrozen)  ,ún'freez
  1. Become or cause to become soft or liquid
    "The giant iceberg unfroze over the years during the global warming phase";
    - dissolve, thaw, unthaw [N. Amer], dethaw, melt
  2. Make (assets) available
    "unfreeze the holdings in the dictator's bank account";
    - unblock, free, release

Derived forms: unfreezes, unfreezing, unfroze, unfrozen

Type of: flux, issue, liquefy, liquify, supply

Antonym: freeze