Unstopper is a verb meaning to remove a stopper or plug from something. There are several synonyms for unstopper which can be used to convey the same meaning with different nuances. One synonym is uncork, which implies the removal of a cork or stopper from a bottle or container. Another is unplug, which suggests the removal of an electrical or electronic device from a power source. Similarly, unscrew can be used to describe the removal of a threaded stopper or cap. Other synonyms include open, unblock, unseal, and unwrap, all of which imply the removal of some kind of barrier or obstruction.