"dissonance" in the noun sense
1. disagreement, dissension, dissonance
a conflict of people's opinions or actions or characters
2. noise, dissonance, racket
the auditory experience of sound that lacks musical quality sound that is a disagreeable auditory experience
"modern music is just noise to me"
3. dissonance
disagreeable sounds
Source: WordNet® (An amazing lexical database of English)
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