0 having an unpleasant tune or harmony (= the sound of different notes being played or sung at the same time):
We all joined in a splendidly unharmonious rendition of Auld Lang Syne.
The listener from the very first minute is stunned by the opera's intentionally unharmonious muddled flow of sounds.
Some leadership techniques can tend to create an unharmonious atmosphere in the office.
Unharmonious protests erupted during the Olympic torch's stops in London, Paris, San Francisco and elsewhere.
2 not looking, tasting, or working well together:
These groups have fundamentally different and unharmonious doctrinal beliefs and practices.
Joe suggested planting a tree between the main house and the rental unit to disguise the unharmonious juxtaposition of the two structures.
