Un‐string″ (?), v. t. [1st pref. un- + string.]
1. To deprive of a string or strings; also, to take from a string; as, to unstring beads.
2. To loosen the string or strings of; as, to unstring a harp or a bow.
3. To relax the tension of; to loosen. “His garland they unstring.” Dryden. Used also figuratively; as, his nerves were unstrung by fear.