“+ transitive verb
Etymology: un- (II) + string
1.
a. : to loosen or remove the string from (a bow or musical instrument)
b. : to untie the strings of (a purse)
2. : to remove from a string
unstrings the beads
3. : to make weak, disordered, or unstable
the news unstrung his nerves
getting married unstrings some men — Owen Wister