to make disordered or untuned; to render unfit; to render no longer adjusted or attuned (to something)
untune in American English
(unˈtuːn, -ˈtjuːn)
transitive verbWord forms: -tuned, -tuning
1.
to render or cause to become out of tune
Changes in weather can untune a violin
2.
to discompose; upset, as the mind or emotions
Word origin
[1590–1600; un-2 + tune]This word is first recorded in the period 1590–1600. Other words that entered Englishat around the same time include: fixture, investment, operator, squeeze, volunteerun- is a prefix freely used in English to form verbs expressing a reversal of some actionor state, or removal, deprivation, release, etc. (unbend; uncork; unfasten; etc.), or to intensify the force of a verb already having such a meaning (unloose)