Definition of fast lane noun from the Oxford Advanced American Dictionary

 

fast lane

 noun
noun
 
[singular]
 
jump to other results
  • the part of a major road such as a highway or interstate where vehicles drive fastest
  • Idioms
    in the fast lane
     
    jump to other results
    where things are most exciting and where a lot is happening He had a good job, plenty of money, and he was enjoying life in the fast lane.
    See the Oxford Advanced Learner's Dictionary entry: fast lane