# MI6

> English word · Proper noun · frequency rank #29,741

## Definitions
1. The overseas intelligence agency of the United Kingdom, whose primary function is to spy on foreign governments and terror groups located abroad. Formally called the Secret Intelligence Service (SIS).

## Etymology
Abbreviation of Military Intelligence, Section Six.

## Easily confused with
- **my** (https://plainspell.com/en/vs/mi6-vs-my)
- **Mr** (https://plainspell.com/en/vs/mi6-vs-mr)
- **MS** (https://plainspell.com/en/vs/mi6-vs-ms)
- **MM** (https://plainspell.com/en/vs/mi6-vs-mm)
- **MO** (https://plainspell.com/en/vs/mi6-vs-mo)
- **MP** (https://plainspell.com/en/vs/mi6-vs-mp)
- **MT** (https://plainspell.com/en/vs/mi6-vs-mt)
- **ML** (https://plainspell.com/en/vs/mi6-vs-ml)
- **MN** (https://plainspell.com/en/vs/mi6-vs-mn)
- **mu** (https://plainspell.com/en/vs/mi6-vs-mu)
- **MK** (https://plainspell.com/en/vs/mi6-vs-mk)
- **MW** (https://plainspell.com/en/vs/mi6-vs-mw)
- **MV** (https://plainspell.com/en/vs/mi6-vs-mv)
- **MJ** (https://plainspell.com/en/vs/mi6-vs-mj)
- **Mx** (https://plainspell.com/en/vs/mi6-vs-mx)
- **mom** (https://plainspell.com/en/vs/mi6-vs-mom)
- **Mrs** (https://plainspell.com/en/vs/mi6-vs-mrs)
- **mix** (https://plainspell.com/en/vs/mi6-vs-mix)
- **min** (https://plainspell.com/en/vs/mi6-vs-min)
- **mum** (https://plainspell.com/en/vs/mi6-vs-mum)

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/mi6