\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.