27 entries under expression topic. ×

3
rail line(noun, line, track, railway)
2
big-city newspaper department
2
elevated railway(noun, line, track, railway)
2
streetcar line(noun, line, track, railway)
2
trolley line(noun, line, track, railway)
1
bygone geo model
1
paris subway system
1
paris transit system
1
rail rapid transit
1
train line(noun, line, track, railway)
1
tube railway
1
underground railroad(noun, idiom)
1
underground railway(noun, line, track, railway)
0
Rapid transit
0
electron tube
0
heavy rail
0
heavy rail transit
0
metropolitan railway
0
railroad line
0
railway line
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APASmart Define. (2015). metro thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/metro/thesaurus/synonyms
ChicagoSmart Define. 2015. "metro thesaurus" https://smartdefine.org/metro/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, metro thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/metro/thesaurus/synonyms>.
MLASmart Define. "metro thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/metro/thesaurus/synonyms>