underground
noun11 collocationsAvg. frequency: 8.5
Refers to traveling as a passenger on an underground train.
Refers to being located within the underground system (e.g., in a station or tunnel).
To choose the underground as a mode of transport.
To be a passenger on the underground railway system.
To journey using the underground railway system.
To travel using the underground railway system.
To travel using the underground railway system.
A station on an underground railway line.
A train that runs on the underground railway.
The entire network of underground railway lines.
A tunnel for the underground railway.