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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:
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
For more than a mile, almost every one has a St George's or union jack flag attached - thousands of them.
From BBC ● Aug. 23, 2025
The men set off with a will, but Madden viewed the situation without any thrill of patriotism to gild a death under the union jack.
From The Cruise of the Dry Dock by T. S. Stribling
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
St George's and Union Jack flags have been increasingly found lining streets across England.
From BBC ● Aug. 28, 2025
Bathory also dressed the part, drawing attention for his Def Leppard T-shirt with the Union Jack flag, studded leather jackets and belts, and long hair.
From Los Angeles Times ● Jul. 19, 2025
I try to calm myself down by touching my charms: star, Union Jack, teacup, TARDIS.
From "A Place at the Table" by Saadia Faruqi and Laura Shovan
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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.