Meaning of fast lane

fast' lane'

Pronunciation: [key]
  1. Also calledthe lane of a multilane roadway that is used by fast-moving vehicles, as when passing slower traffic.
  2. any scene, activity, or pursuit that is exciting, high-pressured, competitive, swift-moving, and sometimes dissipated or dangerous:Cf. fast track. Alcoholism and stress are often the price for living life in the fast lane.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.