clash

noun
  1. A loud, harsh noise made by two or more objects hitting each other. noun
    The clash of cymbals echoed through the concert hall.
    There was a loud clash as the pots fell from the shelf.
  2. A conflict or disagreement between two or more parties, often involving a confrontation. noun
    The clash between the two political leaders was broadcasted live.
    There was a clash of opinions during the meeting.
  3. To collide or strike together with a loud, harsh noise. verb
    The cars clashed on the icy road, causing a traffic jam.
    The swords clashed in the heat of the battle.
  4. To be in conflict or disagreement. verb
    Their personalities clashed, making it difficult for them to work together.
    The new policy clashed with the company's existing procedures.
  5. To be aesthetically or stylistically incompatible. verb
    The bright red shirt clashed with his orange pants.
    The patterns on the wallpaper and the carpet clashed horribly.