Loosen as knot (5)
I believe the answer is:
untie
(Other definitions for untie that I've seen before include "Remove ropes, unfasten" , "Undo a knot" , "Release (knots)" , "resolve" , "Free from restraining bonds or ropes" .)
I believe the answer is:
untie
(Other definitions for untie that I've seen before include "Remove ropes, unfasten" , "Undo a knot" , "Release (knots)" , "resolve" , "Free from restraining bonds or ropes" .)