# a great deal of sth

idiom · CEFR B1

Source: https://englishreference.com/idiom/a-great-deal-of-sth
Updated: 2026-04-22

## Meaning

a large amount of something. You use this with things you cannot count, like time, money, or effort.

## Examples

- She spent a great deal of time on her project.
- The new project requires a great deal of effort from everyone on the team to succeed.
- After a great deal of careful thought, the committee decided to approve the proposal despite the significant financial risks involved.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.