unfreeze Syllabification: (un·freeze)Pronunciation: /ˌənˈfrēz/Translate unfreeze | into German Definition of unfreeze verb (past unfroze; past participle unfrozen) [with object] cause (something) to thaw. [no object] become thawed. remove restrictions on the use or transfer of (an asset). unfreeze in other Oxford dictionaries Definition of unfreeze in the British & World English dictionary