To disjoint.
To amputate (a limb) at a joint without cutting the bone.
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.