Definition of fast lane Fast lane

We found 4 definitions of fast lane from 2 different sources.

What does fast lane mean?

Noun
fast lane - the traffic lane for vehicles that are moving rapidly
		traffic lane a lane of a main road that is defined by painted lines; "that car is in the wrong traffic lane"
fast lane - a hectic and pressured lifestyle often characterized by recklessness or dissipation; "life in fashion's fast lane has taught her a lot"

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fast lane (Noun)
On a multilane road, the lane intended or reserved for vehicles moving at faster speeds.
fast lane (Noun)
Any situation or activity where the pace is very rapid.