Meaning of Union Jack in English:

Union Jack


Translate Union Jack into Spanish


  • 1The national flag of the United Kingdom, formed by combining the red and white crosses of St George, St Andrew, and St Patrick and retaining the blue ground of the flag of St Andrew.

    Also called Union flag

    ‘No chance of buying a Union Jack, Thai, Australian, Japanese, Scottish, Welsh, American, Korean or German flag now… sold out weeks ago.’
    • ‘Cheering crowds waving Union Jacks and the flag of Gurnard Sailing Club, where Shirley is a member, lined the route.’
    • ‘He also has a skull and crossbones which he hoists when his grandchildren visit, a Union Jack and a Yorkshire white rose - and he has no intention of getting rid of them.’
    • ‘One young woman waved a New Zealand Flag, another a Union Jack embroidered with the legend We're Not Afraid.’
    • ‘As it is, in today's two major finals, there will be not a Union Jack or a face-painted flag of St George in sight.’
    • ‘The IODE also distributed miniature Union Jacks and flag charts.’
    • ‘‘If there is any danger of violence we will pull the plug,’ he declared last week, warning that Union Jacks and any offensive banners will be confiscated.’
    • ‘Perhaps it was the Union Jacks, bunting and even boxer shorts of red, white and blue flying over Castle Howard's lawns like standards on a medieval field of combat.’
    • ‘But the ubiquitous red, white and blue stripes are joined in equal measure by the Union Jacks, Canadian and US flags.’
    • ‘Flanked by a Union Jack on one side and a flag bearing the Brent logo on the other, nine of the applicants repeated the solemn oath that would finally allow them to call themselves British and to apply for a British passport.’
    • ‘They got up at six in the morning, stormed the flagpole, took down the American flag and replaced it with a Union Jack they'd made in Arts & Crafts.’
    • ‘The most controversial part of the race was Jensen Button's decision to have a St George's flag on his helmet - and not a Union Jack.’
    • ‘Are you bothered by the idea that you could have an EU flag on your car number-plate but not a Union Jack?’
    • ‘Suddenly, the idea of supporting, financially or vocally, an Olympic ideal wrapped in a flag of convenience rather than a Union Jack looks very different.’
    • ‘Also observed on the drive home: a Union Jack, a Canadian flag, a Mexican flag.’
    • ‘When I did, and I saw all those Union Jacks and heard the cheers, it was as proud a moment as anyone can experience in life.’
    • ‘Freedom meant being able to fly a tricolour instead of a union jack.’
    • ‘The union jack caught the air as the ship started to move and it waved at the back of the ship in such a way that it seemed to wave itself to the people below.’
    • ‘Abandoning the fine traditions of their ancestors, they tend to hang out a union jack and name the establishment after themselves.’
    • ‘However, talking about the St George or the union jack quite obviously has other implications…’


    Originally a small British union flag flown as the jack of a ship.

  • 2

    (also union jack)
    (in the US) a small flag consisting of the union from the national flag, flown at the bows of vessels in harbour.