188 entries under noun topic. ×

17
channel(verb, support, hold, take)
17
duct(thing, opening, drain, means)
16
conduit(thing, course, drain, means)
16
funnel(verb, support, move, hold)
15
tube(thing, course, opening, drain)
12
passage(verb, thing, supply, course)
12
whistle(verb, music, sound, sharp)
11
pipeline(thing, channel, passage, cylinder)
10
main(course, opening, means, route)
9
cheep(verb, sound, whistle, whine)
9
peep(verb, see, regard, observe)
9
hose(passage, cylinder, conduit, tube)
8
chirp(verb, wait, shout, whistle)
8
line(passage, cylinder, tube)
8
vent(opening, stack, fan, passage)
7
shriek(verb, cheer, call, cry)
7
tweet(verb, sound, cheer, call)
7
twitter(verb, sound, cheer, call)
7
cry(verb, sound, call, shout)
7
piping
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APASmart Define. (2015). pipe thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/pipe/thesaurus/synonyms
ChicagoSmart Define. 2015. "pipe thesaurus" https://smartdefine.org/pipe/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, pipe thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/pipe/thesaurus/synonyms>.
MLASmart Define. "pipe thesaurus" 23 December 2015. Web. 24 September 2026. <https://smartdefine.org/pipe/thesaurus/synonyms>