Synonyms for Yapper:

• n.

  •blabbermouth (noun)
  • gasbag,
  • chatterbox,
  • windbag,
  • gasbags,
  • blabber,
  • loudmouths,
  • Gabber,
  • babblemouth,
  • loudmouth,
  • motor-mouth,
  • blowhard,
  • gossipmonger,
  • yappers,
  • tattletale,
  • bag of wind,
  • gabbers,
  • squealer,
  • babblers,
  • chatterers,
  • bigmouth,
  • jabberers,
  • jabberer,
  • blabberer,
  • babbler,
  • gossiper,
  • chatterer,
  • motormouth.
  •Other relevant words: (noun)
  • blabbermouth.