# Hillingdon

> English word · Proper noun · IPA /ˈhɪlɪŋdən/ · frequency rank #77,767

## Definitions
1. A London borough on the west side of Greater London, England.
2. A suburban area in Greater London, within the same borough (OS grid ref TQ0783).

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