The Open Dictionary

fiver

noun

UK/ˈfaɪ.vəʳ/
US/ˈfaɪ.vɚ/

Definitions of fiver noun

  1. Countableinformal

    A banknote with a value of five British pounds.

    • I picked up this CD for just a fiver.

    • Could you exchange this ten pound note for a couple of fivers?

    • He pulled a fiver out of his wallet.

  2. Countableinformal

    A banknote with a value of five US dollars.

    • He used a fiver to buy a coffee.

    • All I have in my pocket is a fiver.

    • Can you break this ten-dollar bill into two fivers for me?