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tunnel

tun·nel

tunnel

 
 
pronunciation:
tuh nl
parts of speech:
noun, transitive verb, intransitive verb
features:
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
definition 2: a passageway through or under an obstruction.
similar words:
bore, boring, corridor, mine, pass, passage, passageway
definition 3: the hole or den of a burrowing animal.
synonyms:
burrow, hole
similar words:
cave, den, hollow, lair
 
part of speech: transitive verb
inflections: tunneled, tunneling, tunnels
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
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
 
part of speech: intransitive verb
definition: to construct a tunnel or tunnels.
similar words:
burrow, dig, excavate, mine
derivations: tunnellike (adj.), tunneler (n.)
Word Explorer
See
  animal, earth, rodent, soil