# GMB

> English word · Proper noun · frequency rank #50,536

## Definitions
1. Initialism of General, Municipal, Boilermakers, a large trade union in the UK.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/gmb