Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun subway

2 senses of subway

Sense 1
metro, tube, underground, subway system, subway -- (an electric railway operating below the surface of the ground (usually in a city); "in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'")
       => railway, railroad, railroad line, railway line, railway system -- (line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight)

Sense 2
underpass, subway -- (an underground tunnel or passage enabling pedestrians to cross a road or railway)
       => tunnel -- (a passageway through or under something, usually underground (especially one for trains or cars); "the tunnel reduced congestion at that intersection")

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