The phrase "a massive amount in" is correct and usable in written English.
It can be used when referring to a large quantity of something within a specific context or category.
Example: "The project required a massive amount in resources to be successful."
Alternatives: "a large quantity of" or "an enormous amount of".
She's put a massive amount in, but she's obviously getting the rewards here".
"Sky is a corporate behemoth that is investing a massive amount in cycling, and they had to go and poach Brad from us.
Instead of letting the liquid flow out, she had taken a massive amount in - until she was about to burst - before struggling to sit on the toilet and release it.
"In World Cup years, it is very noticeable how good it is and how you always feel good the following year because that extra four weeks provides a massive amount in terms of refreshing the body and mind," said Smith, who has played for the Hurricanes Super Rugby franchise and for New Zealand since 2004.
"By diverting more and more waste away from landfill we will save a massive amount in landfill tax so that is what will pay for it.
He said the Lib Dems had a "massive amount in common" with Labour on many issues and "we should be prepared to work together".
"There has been a massive amount of development in the last 29 years, all of which, in our submission, confirm that he was suffering from mental disorder".
The zips contained a massive amount of filenames in text format, about 40 million in total, all of which GOP claims to have in its grasp.
Despite improvements in peer review, "there still is a massive amount of rubbish" in the journals, Dr. Rennie said.
"That's not enough money to live on, but it is a massive amount of money in the lives of many working people in our country".
The danger is that we end up implying that these talented executives are just stupid, when in fact they are dealing with a massive amount of information in complex situations.
