13
line(noun, cylinder, tube)
12
duct(noun, course, channel, passage, cylinder)
11
conduit(noun, course, channel, passage, cylinder)
10
pipe(noun, channel, passage, cylinder, conduit)
8
channel(noun, course, passage, cylinder, conduit)
7
passage(noun, flow, channel, cylinder, pipe)
7
tube(noun, channel, passage, cylinder, pipe)
6
grapevine
5
cylinder(noun, tunnel, pipe, tube, hose)
5
funnel
5
hose(noun, line, cylinder, pipe, tube)
5
main(noun, flow, channel, passage, cylinder)
4
in the offing(expression, idiom)
4
in the works(expression, idiom)
4
on the way(expression, idiom)
4
origin
4
piping
4
word of mouth(noun, expression, idiom)
3
conveyor
3
note(noun, information, intelligence, statement, conversation)
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APASmart Define. (2015). pipeline thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/pipeline/thesaurus/synonyms
ChicagoSmart Define. 2015. "pipeline thesaurus" https://smartdefine.org/pipeline/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, pipeline thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/pipeline/thesaurus/synonyms>.
MLASmart Define. "pipeline thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/pipeline/thesaurus/synonyms>