fin

In real, traceable use. Part of the curated seed collection; community review is coming.

Sense 1

Meaning · English

a five-pound (£5) note; the sum of five pounds.

Register: slang

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Sense 2

Meaning · English

A five-dollar bill; the sum of five dollars.

Register: dated, slang

Sources & notes

Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-07-30 via kaikki.org).

Common questions

What does “fin” mean?

a five-pound (£5) note; the sum of five pounds.

Is “fin” formal or informal?

fin is generally slang.