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yellow flag

American  

noun

  1. Nautical. quarantine flag.

  2. water flag.


yellow flag British  

noun

  1. another name for quarantine flag

  2. See flag 3

"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

Etymology

Origin of yellow flag

First recorded in 1775–85

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:

And then obviously I got that yellow flag, the single yellow in the last sector, but I did a hundred-metre lift, lost a huge amount of time and still, you know… I don't know.

From BBC Jun. 27, 2026

To be honest, though, since the 40-year bond rally terminated in 2020, investors who ply their trade on the fixed-income side of the ledger have become accustomed to driving under a yellow flag.

From Barron's Jun. 25, 2026

Rosenqvist’s three-second lead was erased when debris on the track exiting the Aquarium Fountain drew the only yellow flag all afternoon and narrowed the gap.

From Los Angeles Times Apr. 19, 2026

The red flag with central yellow star stayed official in the home country, while the Southern yellow flag with three red stripes became a refugee reminder in the United States.

From Salon Dec. 31, 2025

Last Respects After two weeks at sea the commander calls all of us above deck for a formal lowering of our yellow flag with three red stripes.

From "Inside Out and Back Again" by Thanhha Lai

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