unloose

verb

1. (also, figuratively, transitive)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: […]”

   “[…] There commeth one mightier than I after me, the latchet of whose ſhooes I am not worthy to ſtoupe downe, and vnlooſe.”

   “Death opens the gate of fame, and ſhuts the gate of envy after it,—it unlooſes the chain of the captive, and puts the bondſman’s taſk into another man's hands.”

   “I abide not the imposition of hands—take off your grasp from my cloak, or I will find means to make you unloose it.”

2. (also, figuratively, transitive)To relax or slacken (something that clasps or grips, such as the arms or hands).
3. (transitive)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.”

   “Press on! for it is godlike to unloose / The spirit, and forget yourself in thought; / Bending a pinion for the deeper sky, / And in the very fetters of your flesh, / Mating with the pure essences of heaven!”

   “He would weep again, his heart insisted, for now his weeping had begun; he would rage again, said the shifting air, for the lions of rage had been unloosed; he would be in darkness again, in fire again, now that he had seen the fire and the darkness.”

4. (archaic, transitive)To remove or take off (especially something undesirable).
5. (intransitive)To become loose or come off.
6. (also, figuratively, intransitive)To free from a constraint.