"frees up" = the opposite of "freeze up" "free up" = cause to become available for use; make available; make usable "free up" = unjam, unstick, release; restore the free movement of The employees are overworked, but we should be able to free up their time by taking them off the system control project. Something has got caught in the gears, causing the machine to freeze up, but if the mechanic frees up the gears, the machine will run smoothly again.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.