blue flag
noun/ˌbluː ˈflæɡ/
/ˌbluː ˈflæɡ/
- (British English) a blue flag used in motor racing to show that a driver who is much further ahead is trying to pass
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
- an award given to beaches in Europe that are clean and safe
Check pronunciation:
blue flag