Synonyms|253Antonyms|0|Broader|8Narrower|0Related|61

4 entries under opening topic. ×

4
tunnel(noun, gap, channel, pipe)
2
line(noun, drive, way, course)
1
route(noun, drive, line, way, course)
1
shaft(noun, gap, channel, passageway)
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APASmart Define. (2015). subway thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/subway/thesaurus/synonyms
ChicagoSmart Define. 2015. "subway thesaurus" https://smartdefine.org/subway/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, subway thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/subway/thesaurus/synonyms>.
MLASmart Define. "subway thesaurus" 18 December 2015. Web. 24 September 2026. <https://smartdefine.org/subway/thesaurus/synonyms>