[1] : The Collaborative International Dictionary of English v.0.48

untune \untune"\, v. t. 1st pref. un- + tune.
   to make incapable of harmony, or of harmonious action; to put
   out of tune. --shak.
   1913 webster

[2] : WordNet (r) 2.0

untune
     v 1: cause to lose one's composure syn: upset, discompose, disconcert,
           discomfit
     2: cause to be out of tune; "don't untune that string" ant: tune
see also:
upset discompose disconcert discomfit tune 

Untune >> U Words
Untune, definition of term: Untune
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