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- pronunciation:
- tuh
n
 l
- parts of speech:
- noun, transitive verb, intransitive verb
- features:
- Word Combinations (noun, verb), Word Explorer
| part of speech: |
noun |
| definition 1: |
an underground or underwater passageway, as for a railroad through a mountain or for a road under a river or city.
- similar words:
- bore, boring, corridor, gallery, pass, passage, passageway, tube
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| definition 2: |
a passageway through or under an obstruction.
- similar words:
- bore, boring, corridor, mine, pass, passage, passageway
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| definition 3: |
the hole or den of a burrowing animal.
- synonyms:
- burrow, hole
- similar words:
- cave, den, hollow, lair
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| related words: |
hall, mine, passage, tube |
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| part of speech: |
transitive verb |
| inflections: |
tunnels, tunneling, tunneled |
| definition 1: |
to construct a tunnel under or through (a mountain, river, city, or the like).
- similar words:
- bore, burrow, cave, cavern, excavate, hollow, sap
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| definition 2: |
to construct or excavate (a way, passage, or the like) under or through something.
- synonyms:
- bore, burrow, excavate
- similar words:
- cave, cavern, dig, mine, pierce, sap, trepan
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| related words: |
bore, dig, mine, pierce |
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| part of speech: |
intransitive verb |
| definition: |
to construct a tunnel or tunnels.
- similar words:
- burrow, dig, excavate, mine
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| related words: |
excavate, mine, sap |
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| derivations: |
tunnellike (adj.), tunneler (n.) |
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