Dissonance (noun)

1. A lack of harmony or agreement between different elements, especially musical notes.
2. A conflict or opposition between two beliefs, ideas or values.
3. A feeling of discomfort or unease caused by conflicting elements.

Origin:

Mid 17th century, from french, from latin dissonantia, from dissonant- 'disagreeing', from the verb dissonare.

Examples:

1. The dissonance in the music was intentional and added to the emotional impact of the piece.
2. The dissonance between the two political parties is causing a gridlock in the government.
3. The dissonance between his words and actions was confusing to his audience.
4. The dissonance between personal beliefs and professional responsibilities is a common dilemma.
5. The dissonance between the different cultural values made it difficult for the immigrant to adjust.