Yack

//jæk// noun, verb

noun, verb ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Alternative form of yak (“chatter; talk”). alt-of, alternative
  2. 2
    An oak. England, dialectal, obsolete, possibly

    "If 't ash tree buds before 't yack, […]"

  3. 3
    A watch (timepiece). UK, obsolete

    "I have got the Yacks, so do not come it. Fight cocum."

  4. 4
    noisy talk wordnet
Verb
  1. 1
    Alternative form of yak (“talk; vomit”). alt-of, alternative

    "I moved to another carriage on the train because the first one was full of people yacking on mobile phones."

  2. 2
    talk incessantly and tiresomely wordnet

Example

More examples

"I moved to another carriage on the train because the first one was full of people yacking on mobile phones."

Etymology

Dialectal form.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.