unstick
verbUK /ʌnˈstɪk/
US /ʌnˈstɪk/
To pull something loose when it is stuck to something else.
She tried to unstick the tape from the table.
OTHER MEANINGS
2. To stop something from being blocked or unable to move.
The mechanic unstuck the frozen wheel.
3. To help someone get out of a difficult situation where they cannot make progress.
A few kind words unstuck him and he finished the puzzle.
4. To become no longer stuck.
The drawer finally unstuck after a hard pull.