Synonyms for Yack:

• n.

  •
  • gas,
  • prattle,
  • babble,
  • waffle,
  • talk through your hat,
  • gab.
  •cackle (noun)
  • cackle.
  •chatter (noun)
  • chatter.
  •jaw (noun)
  • jaw.
  •rattle on (noun)
  • rattle on.
  •yack (noun)
  • yap away,
  • yack away,
  • yakety-yak,
  • yak.

• v.

  •prate (verb)
  • chat,
  • brag,
  • clash,
  • boast,
  • runon,
  • tongue,
  • clatter,
  • drivel.
  •shoot the breeze (verb)
  • bs,
  • yap.

• Other synonyms:

  •prate
  • tongued,
  • Tonguing.
  •Other relevant words:
  • witter,
  • blab,
  • jabber,
  • chin-wag,
  • hot air,
  • patter,
  • blether,
  • small talk,
  • twaddle,
  • clishmaclaver,
  • jabbering,
  • chit-chat,
  • guff,
  • blather,
  • Cackling,
  • lambaste,
  • tattle,
  • blabber,
  • rabbit,
  • nattering,
  • rebuke,
  • gabbling,
  • lambast,
  • gabble,
  • natter,
  • babbling,
  • trounce,
  • rattle,
  • gabbing,
  • blah,
  • blah-blah,
  • shoot off one's mouth,
  • confab,
  • gurgle,
  • gibber,
  • chaffer,
  • burble,
  • palaver,
  • claver,
  • gossip,
  • gibberish,
  • reproof.

Antonyms for Yack:

• v.

  • prate
    deprecate, be quiet, be modest.

Homophones for Yack:

• yak.