untune

[ uhn-toon, -tyoon ]
/ ʌnˈtun, -ˈtyun /

verb (used with object), un·tuned, un·tun·ing.

to render or cause to become out of tune: Changes in weather can untune a violin.
to discompose; upset, as the mind or emotions.

Origin of untune

First recorded in 1590–1600; un-2 + tune
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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