dissonanceсуществительное A lack of harmony among musical notes. The dissonance in the orchestra's performance was noticeable to even the untrained ear.
A tension or clash resulting from the combination of two disharmonious or unsuitable elements. The dissonance between his words and actions made it hard to trust him.
A conflict or inconsistency between beliefs, values, or attitudes. Cognitive dissonance can occur when someone holds two contradictory beliefs at the same time.