Hillingdon

American

[hil-ing-duhn] / ˈhɪl ɪŋ dən /

noun

a borough of Greater London, England.

Hillingdon British

/ ˈhɪlɪŋdən /

noun

a residential borough of W Greater London. Pop: 247 600 (2003 est). Area: 110 sq km (43 sq miles)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Hillingdon houses a higher number of asylum seekers due to its proximity to Heathrow Airport.

From BBC • Feb. 5, 2026

The west London borough of Hillingdon saw the sharpest increase - 2,098 homeless households in the area were refugees in 2024/25, up from 71 in 2021/22.

From BBC • Feb. 5, 2026

Mr Dursonial and his family have been placed in temporary accommodation by Hillingdon Council, in West London.

From BBC • Oct. 10, 2025

Hillingdon Council said 152 Chagossians had arrived at Heathrow Airport in the borough this week so far, bringing the total to over 600 since last July.

From BBC • Oct. 10, 2025

In Middlesex, in the north, in the districts of Edmonton, Enfield, Ponders End and Finchley, and in the west from Isleworth to Hampton, Feltham, Hillingdon, Sipson and Uxbridge, many crops are now cultivated under glass.

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023