Exact Match:
- tunnel
- a passageway through or under something, usually underground (especially one for trains or cars); "the tunnel reduced congestion at that intersection"
- force a way through
Synonyms:
- abri,
- access,
- adit,
- aisle,
- alley,
- ambulatory,
- antre,
- aperture,
- approach trench,
- arcade,
- artery,
- avenue,
- bore,
- bunker,
- burrow,
- cave,
- cavern,
- channel,
- cloister,
- colonnade,
- communication,
- communication trench,
- conduit,
- connection,
- corridor,
- couch,
- countermine,
- countersink,
- coupure,
- course,
- cove,
- covered way,
- covert,
- deepen,
- defile,
- delve,
- den,
- depress,
- dig,
- dig out,
- dike,
- ditch,
- dive,
- double sap,
- dredge,
- drill,
- drive,
- duct,
- dugout,
- earth,
- egress,
- entrance,
- entrenchment,
- excavate,
- exit,
- ferry,
- fire trench,
- flying sap,
- ford,
- form,
- fortified tunnel,
- fosse,
- foxhole,
- furrow,
- gallery,
- gouge,
- gouge out,
- groove,
- grot,
- grotto,
- grub,
- hole,
- ingress,
- inlet,
- interchange,
- intersection,
- junction,
- lair,
- lane,
- lodge,
- lower,
- mew,
- mine,
- moat,
- opening,
- outlet,
- overpass,
- parallel,
- pass,
- passage,
- passageway,
- penetrate,
- portico,
- quarry,
- railroad tunnel,
- run,
- sap,
- scoop,
- scoop out,
- scrabble,
- scrape,
- scratch,
- sewer,
- shaft,
- shovel,
- sink,
- slit trench,
- spade,
- subterrane,
- subway,
- traject,
- trajet,
- trench,
- trough,
- troughing,
- troughway,
- underpass,
- warren,
- way