unloose

verb6

1. •
   To loosen or undo (something that entangles, fastens, holds, or interlocks).

   • Turne him to any Cause of Pollicy, / The Gordian Knot of it he will vnloose, / Familiar as his Garter: […] — 1599
2. •
   To relax or slacken (something that clasps or grips, such as the arms or hands).
3. •
   To become loose or come off.
4. •
   To free (someone or something) from a constraint; (figuratively) to release (something which has been suppressed, such as emotions or objectionable things).

   • Then Yorke vnloose thy long imprisoned thoughts, / And let thy tongue be equall with thy heart. — 1591
5. •
   To free from a constraint.
6. •
   (no longer used) To remove or take off (especially something undesirable).