Zack

//zæk// name, noun

name, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Sixpence. Australia

    ""Strewth, Dad! It's not worth a zack!" said Barry."

  2. 2
    Five cents. Australia, rare
  3. 3
    A six-month or six-year prison sentence. Australia
Proper Noun
  1. 1
    A diminutive of the male given names Zachariah or Zachary.

    "Tigers manager A.J. Hinch had just inserted Zack Short to pinch-hit for Akil Baddoo, the type of chess-match move Hinch is making more than ever this season."

Example

More examples

"Zack Armstrong handed his active, soccer-playing roommate his cellphone to call 911."

Etymology

Unknown; possibly an alteration or dialect form of six.

Related phrases

given name

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