Meaning of underground railway | Babel Free
Definitions
Synonym of subway: a railway under the ground.
Examples
“It was advisable to avoid building an underground railway beneath private houses at the time, because the law would require you to buy those houses.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.