Synonym: cave, cavern, grotto. Similar words: runner, channel, personnel, sunny, tune, panel, tune in, routinely. Meaning: ['tʌnl] 
n. 1. a passageway through or under something, usually underground (especially one for trains or cars) 2. a hole in the ground made by an animal for shelter. v. 1. move through by or as by digging 2. force a way through.
n. 1. a passageway through or under something, usually underground (especially one for trains or cars) 2. a hole in the ground made by an animal for shelter. v. 1. move through by or as by digging 2. force a way through. 
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31 The roof of the tunnel caved in .
32 The getaway car was dumped near a motorway tunnel.
33 They've built a new tunnel through the mountain.
34 The train entered the tunnel with a shrill whistle.
35 Builders had to blast a tunnel through the mountain.
36 The Chicago River flooded the city'sunderground tunnel system.
37 The tunnel is a brilliant feat of engineering.
38 Now they can construct tunnel systems without hindrance.
39 They dug through the mountain to build a tunnel.
40 The tunnel was some 300 feet below the surface.
41 They were digging in the tunnel the whole day.
42 We drove through the tunnel.
43 We excavated the mountain for a tunnel.
44 Trains will speed through the Channel Tunnel at 186mph.
45 They will hole a tunnel through the mountain.
46 They drove a tunnel through the solid rock.
47 The railway tunnel led deep under the mountains.
48 The train entered the tunnel.
49 The enquiry recommended the building of a tunnel.
50 Timbers were used to shore up the tunnel.
51 A service tunnel runs between the two buildings.
52 The grubs tunnel into the wood.
53 The wind roared through the tunnel.
54 The train rocketed through the tunnel.
55 They wriggled their way through the tunnel.
56 The tunnel was excavated through solid rock.
57 He gingerly felt his way along the dark tunnel.
58 Suddenly,[sentencedict.com][http://sentencedict.com/tunnel.html] the whole tunnel roof caved in.
59 The roof of the tunnel fell in.
60 The engineers had to tunnel through solid rock.
More similar words: runner, channel, personnel, sunny, tune, panel, tune in, routinely, fortunately, opportunity, winner, manner, connect, planner, connection.