30 entries under opening topic. ×

9
chimney(noun, stack, pipe, funnel)
8
flue(noun, pipe, chimney, funnel)
5
funnel
5
pipe(noun, airpipe)
3
shaft
1
air pipe(expression, idiom, airpipe)
1
canal
1
channel
1
fistula
1
gallery
1
gully
1
gut
1
main
1
mine
1
passage
1
passageway
1
path
1
pit
1
tube
0
adit
<12>
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APASmart Define. (2015). smokestack thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/smokestack/thesaurus/synonyms
ChicagoSmart Define. 2015. "smokestack thesaurus" https://smartdefine.org/smokestack/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, smokestack thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/smokestack/thesaurus/synonyms>.
MLASmart Define. "smokestack thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/smokestack/thesaurus/synonyms>