to loose or unfasten (anything tied); let or set loose by undoing a knot.

to undo the string or cords of.

to undo, as a cord or a knot; unknot.

to free from restraint.

to resolve, as perplexities.

to become untied.

verb

disengage , loose , loosen , slip , unbind , unclasp , unfasten , unloose , unloosen , disentangle , extricate , free , undo , unhitch , unknot , unlace , untangle