union jack
noun
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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union jack
Americannoun
-
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.
-
(often initial capital letter) the British national flag.
-
any flag the overall design of which is a union.
Union Jack
British
noun
-
a common name for Union flag
-
(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:
A growing number of St George's and union jack flags have appeared across England in recent months.
From BBC ● Nov. 3, 2025
Farron's flag also featured a union jack in one corner.
From BBC ● Sep. 20, 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
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
It was immediately necessary to adopt a new flag, as the new nation would not use the union jack.
From How Girls Can Help Their Country by Juliette Gordon Low
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
In recent weeks the Union Jack and St George's Cross have been hung in the Weoley Castle and Northfield areas of the city, which locals said they were doing in an act of patriotism.
From BBC ● Aug. 15, 2025
I thought they had seen the British Union Jack and were friendly.
From "Hole in My Life" by Jack Gantos
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