untune russian

• расстро́ить

  to upset, disturb, throw into confusion, unsettle, shatter, ruin, wreck, derange, frustrate, thwart, put out, put out of tune, untune

• ненастро́енный

  untuned

Examples

• Он играл на ненастроенном пианино весь вечер.

  He played the untuned piano all evening.