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union jack
union jacknouna jack consisting of the union of a national flag or ensign, as the U.S. jack, which has the white stars and blue field of the union of the U.S. national flag.
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Union Jack
union jack
Americannoun
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a jack consisting of the union of a national flag or ensign, as the U.S. jack, which has the white stars and blue field of the union of the U.S. national flag.
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(often initial capital letter) the British national flag.
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any flag the overall design of which is a union.
noun
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a common name for Union flag
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(often not capitals) a national flag flown at the jackstaff of a vessel
Etymology
Origin of union jack
First recorded in 1665–75
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.
See Examples For:
More than 150 union jack flags will be displayed in 82 locations in Rushcliffe, Broxtowe, Bassetlaw, Newark, Mansfield, Ashfield and Gedling.
From BBC ● Oct. 24, 2025
Initially, 164 union jack flags will be displayed at a cost of about £457 per flag including brackets, traffic management and cherry pickers.
From BBC ● Oct. 24, 2025
As protesters gathered outside the hotel again on Friday evening with banners and union jack and England flags, feelings on the High Street were mixed.
From BBC ● Aug. 29, 2025
St George and union jack flags have been hung up in public places across several locations in England in recent weeks.
From BBC ● Aug. 29, 2025
The flagstaff from which floated the union jack, the emblem of law and order, was planted in such a position as to be plainly visible in the mining camp.
From The Moving Finger A Trotting Christmas Eve at Warwingie Lost! The Loss of the "Vanity" Dick Stanesby's Hutkeeper The Yanyilla Steeplechase A Digger's Christmas by Gaunt, Mary
More than 1,000 people -- many waving Union Jack and England flags -- attended Tuesday's protest.
From Barron's ● Jun. 3, 2026
Skating to the ‘90s classic “Wannabe,” she wears Ginger Spice’s Union Jack dress, while partner Lewis Gibson dons a sequined version of Scary Spice’s leopard print.
From The Wall Street Journal ● Feb. 9, 2026
For a long time public television was the sole entry port for British shows, and it still waves that Union Jack.
From Los Angeles Times ● Dec. 29, 2025
Protesters started to gather outside the Bell in the hours after the judgement - with several Union Jack and St George's flags being waved.
From BBC ● Aug. 29, 2025
I don’t wave my Union Jack or cheer, because I see that it’s too late, I won’t have time for what I’ve been waiting for, which has only now become clear to me.
From "Cat's Eye" by Margaret Atwood
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.