Answer: unknot

AnswerCrossword Clue
UNKNOTDisentangle
UNKNOTLoosen, in a way
UNKNOTDetangle
UNKNOTLoosen
UNKNOTRemove a tangle
UNKNOTRelax during a massage, as a muscle
UNKNOTDisunite one's laces
UNKNOTDisentangle, as one's laces
unknotto undo a knot in
unknotto untie by or as if by undoing a knot