end of the line noun2 •The termination point of a railway or similar transportation system.Sometimes she took the cable car to the end of the line, then walked to the Presidio. — 1898 •The final cessation or discontinuance of a process, institution, lineage, or person, especially one which has existed for a considerable period of time; death.Well, Joe lost control, went into a skid / And gave his life to save that bunch-a kids / And there at that crossroads, was the end of the line / For Big Joe and Phantom 309 — 1967 formsends of the line · ends of the lines