Meanings
union jack1
plural union jacks
- Alternative letter-case form of Union Jack
“Every hip cat had a union jack bed spread, a union jack on the wall, bands draped them over their amplifiers and made jackets out of them – part of the reason for that was there were so many flags after the war,” said Groom.
2025 September 14, Daniel Boffey, quoting Nick Groom, “Racism or celebration? What England’s flag-hoisters are saying – and what others are hearing”, in The Guardian, →ISSN
Union Jack2
plural Union Jacks · alternative union jack · alternative Union-jack
- The flag of the United Kingdom, consisting of the flags of England (St. George's Cross), Scotland (St. Andrew's Cross), and Ireland (St. Patrick's Cross, now only used in Northern Ireland) combined.
1 more example
When the wedding started I found a spot near Windsor Castle’s entrance, where I could watch the ceremony on a big screen. People who line the roads at weddings are, by definition, the most die-hard royalists, and all the usual figures were out in force: the men bellowing and ringing bells in the hope of convincing a passing American TV crew they are an actual town crier; the men in suits made of Union Jacks.
2018 May 20, Hadley Freeman, “Is Meghan Markle the American the royals have needed all along?”, in The Guardian - broadlyThe British Empire.
Settlers already fearing the possibility of seeing their 1600, sometimes 1700 percent, profit margins stripped from them by London’s abolitionism saw no other option but to secede from the Union Jack.
2019, Danny Haiphong, Roberto Sirvent, chapter 3, in American Exceptionalism and American Innocence, New York: Skyhorse Publishing, →ISBN, page 81 - UKnauticalThe flag, consisting of the flags of England, Scotland, and Northern Ireland combined, flown on ships of the government of the United Kingdom.
- USnauticalThe flag, consisting of the blue star-studded field in the corner of the national ensign, flown at the jackstaff by ships at anchor.
Synonyms & antonyms
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From union + jack (“ship’s flag”).
Full word history & related roots →Translations
Chinese Mandarin 米字旗
- 米字旗 (Mǐzìqí)flag of the UK
Hebrew יוניון ג׳ק
- יוניון ג׳ק (Yunion Jaq)flag of the UK
Japanese ユニオンジャック
- ユニオンジャック (Yunion Jakku)flag of the UK
Korean 유니언 잭
- 유니언 잭 (Yunieon jaek)flag of the UK
Russian Ю́нион Джек, Юнио́н Джек
- Ю́нион Джек (Júnion Džek)flag of the UK
- Юнио́н Джек (Junión Džek)flag of the UK
- Ю́нион Джек (Júnion Džek)flag of the US (nautical)
- Юнио́н Джек (Junión Džek)flag of the US (nautical)
Cite this entry
union jack. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/union%20jack
“union jack.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/union%20jack. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “union jack,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/union%20jack.
Source: union jack on Wiktionary, CC BY-SA 4.0.