To become loose.
To make loose.
To free from restraint; to set at liberty.
To become unfastened or undone.
To relieve (the bowels) from constipation; to promote defecation.
To disengage (a device that restrains).
To become loose or come off.
To loosen or undo (something that entangles, fastens, holds, or interlocks).
To free (someone or something) from a constraint; (figuratively) to release (something which has been suppressed, such as emotions or objectionable things).
To relax or slacken (something that clasps or grips, such as the arms or hands).
To free from a constraint.