What is the meaning of clash?

noun

• A loud resonant repeating noise.
  • usage: "he could hear the clang of distant bells"
  • synonyms: clang, clangor, clangour, clangoring, clank, crash
• A state of conflict between persons.
  • synonyms: friction
• A state of conflict between colors.
  • usage: "her dress was a disturbing clash of colors"
• A minor short-term fight.
  • synonyms: brush, encounter, skirmish

verb

• Crash together with violent impact.
  • usage: "The cars collided"; "Two meteors clashed"
  • synonyms: collide
• Be incompatible; be or come into conflict.
  • usage: "These colors clash"
  • synonyms: jar, collide
• Disagree violently.
  • usage: "We clashed over the new farm policies"