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Tunnel

/ˈtʌn(ə)l/

An underground or underwater passage.

Full Dictionary Entry

📖 Definitions of "Tunnel"

noun

1
An underground or underwater passage.
2
A passage through or under some obstacle.
3
A hole in the ground made by an animal, a burrow.
4
A wrapper for a protocol that cannot otherwise be used because it is unsupported, blocked, or insecure.

verb

1
To make a tunnel through or under something; to burrow.
2
To dig a tunnel.
3
To transmit something through a tunnel (wrapper for insecure or unsupported protocol).
4
To insert a catheter into a vein to allow long-term use.

🔄 Synonyms of "Tunnel"

1 synonyms found via WordNet and Google Books.

Word	Definition
burrownoun	A tunnel or hole, often as dug by a small creature.

💡 Words with a Similar Meaning to "Tunnel"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
burrownoun	A tunnel or hole, often as dug by a small creature.
undergroundnoun	(chiefly British) Synonym of subway: a railway that is under the ground.
holenoun	A hollow place or cavity; an excavation; a pit; a dent; a depression; a fissure.
dignoun	An archeological or paleontological investigation, or the site where such an investigation is taking place.
gatenoun	A doorway, opening, or passage in a fence or wall.
passagewaynoun	Any way for passing in, out or through something.
corridornoun	A narrow hall or passage with rooms leading off it, as in a building or in a railway carriage.
harbournoun	(Commonwealth spelling) Standard spelling of harbor.
underpassnoun	A passage that crosses a road, railroad or similar obstacle in a tunnel underneath it.
backdoornoun	Alternative form of back door. [A subsidiary entrance to a building or house at its rear, normally away from the street.]
crossingnoun	An intersection where roads, lines, or tracks cross.
motorcadenoun	A procession of cars carrying VIPs, especially political figures.
subwaynoun	(Canada, US, Scotland, South Africa) An underground railway, especially for mass transit of people in urban areas.
diodenoun	(electronics) An electronic device that allows current to flow in one direction only; used chiefly as a rectifier.
tubenoun	Anything that is hollow and cylindrical in shape.
gallerianoun	An indoor area, or covered courtyard, containing shops.
gallerynoun	An institution, building, or room for the exhibition and conservation of important objects, especially works of art.
photonoun	(informal) A photograph.
tollnoun	A fee paid for some liberty or privilege, particularly for the privilege of passing over a bridge or on a highway, or for that of vending goods in a fair, market, etc.
chtnoun	Initialism of Chittagong Hill Tracts. [An area and former district of Bangladesh, split into three districts in 1984.]