English Reference
noun

dissonance

n.
US /ˈdɪsənəns/ UK /dˈɪsənəns/ dis·so·nance UK spelling dissonances

  1. 01 C1 Advanced Technical Music

    a combination of musical notes that sound unpleasant, harsh, or unstable together.

    a combination of sounds or musical notes that are discordant or lack harmony, often creating a sense of tension.

    Simple

    The composer used dissonance to make the audience feel nervous during the scary scene.

    In context

    Modernist composers often employed deliberate dissonance to challenge traditional expectations of melodic resolution and tonal stability.

    Usage

    Uncountable when referring to the general quality of sound; countable when referring to specific instances in a score.

    discordcacophonyharshness
    consonanceharmony
  2. 02 C1 Advanced Academic

    a lack of agreement between two ideas, beliefs, or actions.

    a state of disagreement or inconsistency between beliefs, values, or actions, often resulting in tension.

    Simple

    There is a dissonance between what the company says and how it treats its workers.

    In context

    The cognitive dissonance felt by the subjects was evident when their long-held beliefs were directly contradicted by the new empirical evidence.

    Usage

    Often appears in the phrase 'cognitive dissonance' in psychological contexts.


Borrowed from Middle French dissonance, from Latin dissonantia; by surface analysis, dis- + son- + -ance.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin dissonantia
Level C1 · Advanced
Frequency Occasional
Updated