Synonyms for (noun) metro

Synonyms: metro, tube, underground, subway, subway system

Definition: an electric railway operating below the surface of the ground (usually in a city)

Usage: in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'

Similar words: railroad, railroad line, railway, railway line, railway system

Definition: line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight