adjective. Too sensitive, nervous, or tense.

adjective. Too tightly strung.

Too highly strung; too sensitively organized.

Noting a pianoforte in which the strings are arranged in two sets, one crossing obliquely over the other.

adjective. Excessively tense or nervous

adjective. Strung too tightly

adjective. too tightly strung

adjective. being in a tense state

"In case such an instrument has "overstrung" wires, it can be restored to a tone that is better than that of the usual upright piano."

tense  

cloth-wrapped  damming  ever-tightening  finely-wrought  hypoglossal