discord

/ˈdɪskɔrd/
verb
  1. To disagree or be in conflict; to clash.
    • Their opinions discord on nearly every topic.
    • The colors in the painting discord with each other, creating an uneasy feeling.
    • The two leaders discording over trade policies caused a rift between their countries.
noun
  1. Disagreement or conflict between people or groups.
    • The family reunion was ruined by constant discord between the cousins.
    • Discord among the team members led to the project's failure.
    • Political discord often makes it hard for the government to pass laws.
  2. A lack of harmony in music; a harsh, unpleasant combination of sounds.
    • The notes clashed in a jarring discord that made the audience wince.
    • The choir's voices fell into discord, ruining the performance.
    • The composer used discord to create a feeling of tension in the symphony.