Subway system
Subway system noun - An electric railway operating below the surface of the ground (usually in a city).
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Synonyms for Subway system
Underground is a synonym for subway system in subway topic. In some cases you can use "Underground" instead a noun phrase "Subway system", when it comes to topics like metro.
Underground
Underground noun - An electric railway operating below the surface of the ground (usually in a city).
Subway system is a synonym for underground in subway topic. You can use "Subway system" instead a noun "Underground", if it concerns topics such as metro.
Mutual synonyms
Both terms in one sentence
- Beauty and the Beast had an extensive underground network in association with the NY subway system, with a whole Secret Society down there.
Source: Tunnel Network - An unnamed Iraqi terrorist group hatched a plan to use sarin gas on the London Underground system, akin to the 1995 attacks on the Tokyo Metro subway system.
Source: Middle Eastern Terrorists -
Totally Radical Unusually Uninteresting Sight: The whole post-apocalypse theory is usually horribly overused, but Wally's trip to his uncle's house involves castles, decrepit ghettos, guys randomly throwing bombs, and a subway system that passes right through an underground snake fortress.
Cite this Source
Underground and Subway system. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/subway_system/underground
Subway system & Underground. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/subway_system/underground>.
Underground or Subway system. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/subway_system/underground.
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