dissonance
Definitions
A lack of harmony or agreement between people or things.
A tension or clash resulting from the combination of two disharmonious elements or sounds.
Examples
The dissonance between his words and his actions made everyone in the room uncomfortable.
There was a jarring dissonance in the music that left the audience feeling unsettled.
Cognitive dissonance often occurs when a person holds two contradictory beliefs at the same time.
Synonyms
discord clash cacophony incongruity disagreement friction jarringness