Dissonance
WordNet
noun
(1) Disagreeable sounds
(2) The auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience
"Modern music is just noise to me"
(3) A conflict of people's opinions or actions or characters
WiktionaryText
Noun
- a harsh, discordant combination of sounds
- conflicting notes that are not overtones of the note or chord sounding
- a state of disagreement or conflict