What is the meaning of jarring?

verb

• Be incompatible; be or come into conflict.
  • usage: "These colors clash"
  • synonyms: clash, jar, collide
• Move or cause to move with a sudden jerky motion.
  • synonyms: jolt, jar
• Shock physically.
  • usage: "Georgia was shaken up in the Tech game"
  • synonyms: jar, shake up, bump around
• Affect in a disagreeable way.
  • usage: "This play jarred the audience"
  • synonyms: jar
• Place in a cylindrical vessel.
  • usage: "jar the jam"
  • synonyms: jar

adjective

• Making or causing a harsh and irritating sound.
  • usage: "the jarring noise of the iron gate scraping on the sidewalk"