\Un*twine"\, v. t. [1st pref. un- + twine.] To untwist; to separate, as that which is twined or twisted; to disentangle; to untie. It requires a long and powerful counter sympathy in a nation to untwine the ties of custom which bind a people to the established and the old. --Sir W. Hamilton.
\Un*twine"\, v. i. To become untwined. --Milton.