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Definition of fast lane noun from the Oxford Advanced Learner's Dictionary

fast lane

noun
 
/ˈfɑːst leɪn/
 
/ˈfæst leɪn/
[singular]Idioms
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  1. the part of a major road such as a motorway or interstate where vehicles drive fastestTopics Transport by car or lorryb2
Idioms
in the fast lane
  1. 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 fast lane in the Oxford Advanced American Dictionary
trait
noun
 
 
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