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  • green flag
    green flag
    noun
    (in automobile racing) a green-colored flag that is used to signal the start of a race.
  • Green Flag
    Green Flag
    noun
    an award given to a bathing beach that meets EU standards of cleanliness

green flag

American  

noun

  1. (in automobile racing) a green-colored flag that is used to signal the start of a race.


Green Flag British  

noun

  1. an award given to a bathing beach that meets EU standards of cleanliness

"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

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.

“I think if we can’t share that moment together, it’s a red flag. So, ‘I need coffee’ is a green flag.

From MarketWatch • Apr. 20, 2026

Each year, Bani Walid celebrates the anniversary of a 1969 coup that brought Gaddafi to power, with people parading through the streets with portraits of the ex-leader and Libya's green flag from before the revolt.

From Barron's • Feb. 6, 2026

It was overcast and humid when the green flag dropped on the Long Beach Grand Prix on Sunday, not exactly ideal conditions for an afternoon drive along the beach.

From Los Angeles Times • Apr. 13, 2025

Setting off from BBC Broadcasting House in London on 17 March, Laing waved a giant green flag at the starting line, with a crowd of cheering supporters.

From BBC • Mar. 21, 2025

So my plan is: Head south four kilometers, then search around till I see the green flag.

From "The Martian" by Andy Weir

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