• synonyms


See more synonyms for pipeline on Thesaurus.com
  1. a long tubular conduit or series of pipes, often underground, with pumps and valves for flow control, used to transport crude oil, natural gas, water, etc., especially over great distances.
  2. a route, channel, or process along which something passes or is provided at a steady rate; means, system, or flow of supply or supplies: Freighters and cargo planes are a pipeline for overseas goods.
  3. a channel of information, especially one that is direct, privileged, or confidential; inside source; reliable contact.
Show More
verb (used with object), pipe·lined, pipe·lin·ing.
  1. to convey by or as if by pipeline: to pipeline oil from the far north to ice-free ports; to pipeline graduates into the top jobs.
Show More
  1. in the pipeline,
    1. Informal.in the process of being developed, provided, or completed; in the works; under way.
    2. Government Informal.(of funds) authorized but not spent.
Show More

Origin of pipeline

First recorded in 1855–60; pipe1 + line1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for pipeline

vent, hose, duct, sewer, vessel, line, pipeline, almanac, journal, list, program, diary, agenda, timetable, table, lineup, docket, card, chronology, pipe

Examples from the Web for pipeline

Contemporary Examples of pipeline

Historical Examples of pipeline

British Dictionary definitions for pipeline


  1. a long pipe, esp underground, used to transport oil, natural gas, etc, over long distances
  2. a medium of communication, esp a private one
  3. in the pipeline in the process of being completed, delivered, or produced
Show More
verb (tr)
  1. to convey by pipeline
  2. to supply with a pipeline
Show More
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pipeline


1859, "continuous line of pipes," from pipe (n.1) + line (n.). Figurative sense of "channel of communication" is from 1921; surfer slang meaning "hollow part of a large wave" is attested by 1963.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper