unloose

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: […]

[S]uch ſmiling rogues as theſe, / Like Rats oft bite the holy cords a twaine, / Which are t' intrince, t' vnlooſe: […]

To relax or slacken (something that clasps or grips, such as the arms or hands).

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.

Thus did the melancholy Tale conclude, / And a ſhort, ſilent Interval ensu'd. / The next in Birth unlooſ'd her artful Tongue, / And drew attentive all the Siſter-Throng.

To remove or take off (especially something undesirable).

To become loose or come off.