Meaning of the word "a great deal" in English

What does "a great deal" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

a great deal

US /ə ɡreɪt diːl/
UK /ə ɡreɪt diːl/
"a great deal" picture

Phrase

1.

a large amount or extent

Example:
She spends a great deal of time reading.
It made a great deal of difference.
2.

to a great extent; considerably

Example:
He has improved a great deal since last year.
I appreciate your help a great deal.