Synonym: colossal, enormous, gigantic, great, huge, immense, large, mammoth, monumental, stupendous. Antonym: narrow. Similar words: devastating, canvas, vassal, invasion, as to, fast, last, nasty. Meaning: [væst /vɑːst] 
adj. unusually great in size or amount or degree or especially extent or scope.
adj. unusually great in size or amount or degree or especially extent or scope. 
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31. He found himself in a vast stagnant bog.
32. His business empire was vast.
33. The house is surrounded by vast tracts of woodland.
34. A vast expanse of golden crops lay before us.
35. Vast sums are needed to maintain the infrastructure.
36. A vast crowd turned out to watch the procession.
37. He sank vast amounts of capital in the venture.
38. We've hired a marquee at vast expense.
39. She scanned the vast sea of faces below her.
40. The vast majority of students here are self-supporting.
41. The vast forests of West Africa have shrunk.
42. The college owns vast tracts of land.
43. Our country's dominion is very vast.
44. At dusk bats appear in vast numbers.
45. A vast crowd turned out to watch the match.
46. The cavers discovered a vast underground chamber.
47. Vast multitudes of birds visit this lake in spring.
48. Tom has made a vast improvement in his German.
49. Vast distances boggle the mind.
50. The people travel vast distances to find food.
51. The area contains vast underground cave systems.
52. Vast areas of low-lying land have been flooded.
53. The new power station produces vast amounts of energy.
54. A vast crowd gathered in the main square.
55. They parlayed a small inheritance into a vast fortune.
56. The whole plateau comprises one vast upland plain.
57. Newspapers are produced in vast numbers.
58. The tidal wave inundated vast areas of cropland.
59. She was seized of vast estates.
60. The city is vast compared to our village.