| Date: | 1500-1600 |
| Language: | Latin |
| Origin: | vastus 'empty, desolate, very large' |
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vast S2 W2

1 extremely large [= huge]
In the past five years, there has been a vast improvement in graduation rates.
vast amounts/numbers/quantities/sums etc (of something)
The government will have to borrow vast amounts of money.
The government will have to borrow vast amounts of money.
In the past five years, there has been a vast improvement in graduation rates.2 used when you want to emphasize that something is true about almost all of a group of people or things :
The vast majority of books on the subject are complete rubbish.
the vast majority (of something)
The vast majority of books on the subject are complete rubbish. —vastness noun [uncountable]
