"massive withdrawal" is correct and usable in written English.
You can use it to describe a situation in which a large amount of something is removed or taken away. For example, "The company experienced a massive withdrawal of funds when their investors pulled out."
By turning paper losses into real ones they represent, in effect, a massive withdrawal of credit.
This massive withdrawal of purchasing power helped turn a heady boom into a punishing bust.Should the Bank have acted earlier to stop the bubble inflating?
After a preliminary step backward on February 23, a massive withdrawal of all German troops from the westernmost bulges of the great salient to the new and shorter line was smoothly and quickly made on March 16.
One of the reasons why the region's equity markets have so far ridden out the worst of Asia's financial crisis is that they have not suffered a massive withdrawal of foreign funds.
More than 300 Wilberforce students threatened a massive withdrawal from the university in protest of president Patricia Hardaway.
Such a draconian cut to Medicare payments would surely have resulted in a massive withdrawal of doctors from the program, a significant blow to its health and survival.
"It's not only about capital flight," said one banker, referring to the massive withdrawals.
Redemptions were suspended on July 2 after an investigation of possible fraud by the fund's managers set off massive withdrawals.
On this basis, classical economics would have predicted that major holders of dollar reserves, such as the Arabs and the Chinese, would make massive withdrawals of dollars.
(These institutions were already shaky due to massive withdrawals by customers throwing cash at the S.E.C).
Greece's banks were shut after the European Central Bank rejected its request for 6 billion euros of additional emergency funding on Sunday to cope with massive withdrawals, though the ECB is expected to allow Greek banks to keep using existing funds until the referendum, people with knowledge of the matter told Reuters.
