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English definition of “vast”

vast

adjective uk   /vɑːst/ us    /væst/
B2 extremely big: A vast audience watched the broadcast. The amount of detail the book contains is vast. The people who have taken our advice have saved themselves vast amounts/sums of money. The vast majority of pupils attend state-funded schools.
(Definition of vast from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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