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.