( fast lanes)
1.
On a motorway, the fast lane is the part of the road where the vehicles that are travelling fastest go. ( mainly BRIT )
N-COUNT : usu the N
2.
If someone is living in the fast lane , they have a very busy, exciting life, although they sometimes seem to take a lot of risks.
..a tale of life in the fast lane.
N-SING : usu the N