Middlesex

American

[mid-l-seks] / ˈmɪd lˌsɛks /

noun

a former county in SE England, now part of Greater London.
a borough in central New Jersey.

Middlesex British

/ ˈmɪdəlˌsɛks /

noun

Middx. a former county of SE England: became mostly part of N and W Greater London in 1965

"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.

Williamson has spent much of this year in England, where he was captain of London Spirit in the men's Hundred competition, as well as playing for Middlesex.

From Barron's • Oct. 25, 2025

Clementina Dinah Hitching was born in Southall, Middlesex on 28 October 1927.

From BBC • Jul. 25, 2025

Shubman, in the form of his life, has played here once before, for Glamorgan against Middlesex in 2022.

From BBC • Jul. 9, 2025

But Kevin also wondered what would happen to the other people whose money got siphoned up by the fake Middlesex account.

From Salon • Jun. 26, 2025

The Buicks pulled away from Middlesex, leaving behind a negative space in our living room.

From "Middlesex: A Novel" by Jeffrey Eugenides

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