discordant
/dɪskɔrˈdænt/Definitions
1. adjective
having a harsh, unpleasant, or dissonant sound; disagreeing or inconsistent
“The discordant notes in the orchestra’s rendition of the symphony were jarring.”
2. noun
a discordant sound or note; a disagreement or source of disagreement
“The discordant voice in the crowd shouted out a protest.”