TOP

Definition of blue flag noun from the Oxford Advanced Learner's Dictionary

blue flag

noun
 
/ˌbluː ˈflæɡ/
 
/ˌbluː ˈflæɡ/
jump to other results
  1. (British English) a blue flag used in motor racing to show that a driver who is much further ahead is trying to pass
  2. an award given to beaches in Europe that are clean and safe
trait
noun
 
 
From the Word list
Oxford 5000
B2
Oxford Learner's Dictionaries Word of the Day