Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun yack

1 sense of yack

Sense 1
yak, yack, yakety-yak, chatter, cackle -- (noisy talk)
       => talk, talking -- (an exchange of ideas via conversation; "let's have more work and less talk around here")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb yack

1 sense of yack

Sense 1
yack, jaw, yack away, rattle on, yap away -- (talk incessantly and tiresomely)
       => talk, speak, utter, mouth, verbalize, verbalise -- (express in speech; "She talks a lot of nonsense"; "This depressed patient does not verbalize")