The phrase "a spectacular amount" is correct and usable in written English.
It can be used to describe a large quantity of something in a positive or impressive manner.
Example: "The fundraiser generated a spectacular amount of donations, exceeding all expectations."
Alternatives: "an impressive amount" or "a remarkable amount".
They had a spectacular amount of press, the kind most people would kill for.
"This town has shown a spectacular amount of support and resilience," he said.
In the last decade, nanotechnology has been gathering a spectacular amount of attention in the field of building materials.
There is color here, a spectacular amount of color.
For every person who relies on Moore's law to establish an argument, however, there's a spectacular amount who believe Moore's law will soon come crashing down.
The coast here is protected by a shingle ridge, but the sea attacks the ridge and spit through tidal and storm action, with a single storm sometimes moving a "spectacular" amount of shingle.
Indeed, the commercial story of the internet is also the story of how a remarkably small number of entrepreneurs have caused a remarkably large amount of upheaval, and reated a quite spectacular amount of value as a result.
While designer fashion was formerly a strictly limited edition and elitist pursuit, today there is a truly spectacular amount of product to choose from – and it's aimed at anyone and everyone the world over, no longer just the privileged few.
Wall Street, on the release of Pokémon GO, offered Nintendo a rather spectacular amount of leeway.
Quite possibly, profits will go up by a fair (but not spectacular) amount, enough to drive share prices to even sillier levels before reality dawns on investors.The rise has not been confined to America.
"I never had health insurance, never owned a home, never paid my rent on time and owed the spectacular amount of $10,000 to American Express for more than five years," says Bourdain, whose TV show is now sponsored by Visa.
