great deal

English

great deal (plural great deals)

(idiomatic, usually singular) Large number, amount, or extent; profusion.
We have a great deal of territory to cover.

Few expressed any great deal of confidence in the legislative branch.

The audience is generally unaware of the great deal of work that goes into its creation.

They didn't realize he had this great deal of intellectual depth.
- 1977, Agatha Christie, chapter 4, in An Autobiography, part II, London: Collins, →ISBN:
  Mind you, clothes were clothes in those days. There was a great deal of them, lavish both in material and in workmanship.
- 1996, Kevin Hogan, The psychology of persuasion, page 60:
  Physicians wield a great deal of power.
- 2008, Andrzej Nowak, History and geopolitics: a contest for Eastern Europe, page 195:
  The low-keyed vision of Poland as a small and humble supplicant of the European Union still has a great deal of supporters.
Used other than figuratively or idiomatically: see great,‎ deal.
I got a great deal on a motorcycle.

There are plenty of great deals on flights.

This term can be found in a plural form (great deals), but, at Google Ngrams, very rarely compared to the singular (< .001% as often):
These students would face great deals of interest on their student loans.

a large number, amount