overwound

/OW0 V ER0 W AW1 N D/
verb
  1. 1

    To wind (tighten a spring of) something excessively.

  2. 2

    To twist itself more tightly.

adjective
  1. 1

    Nervous, tense, jumpy.

Source: https://en.wiktionary.org/wiki/overwind, https://en.wiktionary.org/wiki/overwound