discordant

US /dɪˈskɔːr.dənt/
UK /dɪˈskɔːr.dənt/
"discordant" picture
1.

disagreeing or incongruous

:
The committee's views were discordant with the public's opinion.
His actions were discordant with his stated beliefs.
2.

(of sounds) harsh and unpleasant due to a lack of harmony

:
The orchestra produced a series of discordant notes.
The sound of the alarm was loud and discordant.