Verb unthaw has 1 sense
  1. dissolve, thaw, unfreeze, unthaw, dethaw, melt - 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"
    --1 is one way to liquefy, flux, liquify
    Sample sentences:
    Something ----s
    Somebody ----s something
    Something ----s something
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