The past tense of Unfreeze is unfroze.
verb. make (assets) available.
verb. become or cause to become soft or liquid.
1. Verb, base form Force-quitting an application may often be the only step you need to take to unfreeze your Mac. 2. Adjective If it does unfreeze, then the processor was heated up, overworked and had to catch up with the user requests.