The term 'unfroze' is a verb that means to thaw or melt something that was previously frozen. It is the opposite of 'FROZE, ' which means to freeze something. The two crossword solutions for this term are 'melted' and 'THAWED, ' both of which have six letters. Melted means to reduce a solid to a liquid form, while THAWED means to become unfrozen. Both words describe the process of unfreezing something that was previously frozen.