union jack

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See synonyms for union jack on Thesaurus.com

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.

(often initial capital letter) the British national flag.

any flag the overall design of which is a union.

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of union jack

First recorded in 1665–75

Words nearby union jack

unionism, unionist, Unionist Party, unionization, unionize, union jack, union label, union language, union list, union-made, Union of South Africa

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use union jack in a sentence

In February, Slovakia will have a referendum on whether marriage should be defined as a union between a man and a woman.
‘Only God’ Can Stop Gay Marriage|Tim Mak|January 6, 2015|DAILY BEAST
Unlike the Soviet Union at a certain period in history, the Russian economy does not hold a candle to that of the United States.
Oliver Stone’s Latest Dictator Suckup|James Kirchick|January 5, 2015|DAILY BEAST
In his State of the Union address 50 years ago, LBJ laid out his vision for the Great Society.
Thank Congress, Not LBJ for Great Society|Julian Zelizer, Scott Porch|January 4, 2015|DAILY BEAST
Inquiries will be accepted only via Western Union telegram or rotary phone.
The World’s Toughest Political Quiz|Jeff Greenfield|December 31, 2014|DAILY BEAST

Starting in the 1970s, then MPAA president Jack Valenti began what was to become a decades-long fight against the quota system.
Propaganda, Protest, and Poisonous Vipers: The Cinema War in Korea|Rich Goldstein|December 30, 2014|DAILY BEAST
Strathland would bundle me out in ten minutes if anything happened to Jack.
Ancestors|Gertrude Atherton
She is immensely rich, one of the ablest political women in London, and Jack is desperately in love with her.
Ancestors|Gertrude Atherton
How on earth can Jack find time to think about women with the immense amount of work he gets through?
Ancestors|Gertrude Atherton
The first commencement of Union College for conferring degrees in the arts and sciences.
The Every Day Book of History and Chronology|Joel Munsell
No, Jack is not much to look at, except when he wakes up—I have seen him quite transfigured on the platform.
Ancestors|Gertrude Atherton

British Dictionary definitions for union jack

Union Jack

noun

a common name for Union flag

(often not capitals) a national flag flown at the jackstaff of a vessel

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