UNFREEZE

unblock, unfreeze, free, release

(verb) make (assets) available; “release the holdings in the dictator’s bank account”

dissolve, thaw, unfreeze, unthaw, dethaw, melt

(verb) 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”

Source: WordNet® 3.1

Etymology

Verb

unfreeze (third-person singular simple present unfreezes, present participle unfreezing, simple past unfroze, past participle unfrozen)

(transitive) To defrost something.

(intransitive) To thaw.

(intransitive) To resume movement.

(transitive, computing) To release from a previously locked or frozen state.