a great deal of something
Proposed by a contributor, not yet supported by evidence.
Meaning · English
A large amount or quantity of something
Literally: many
Register: neutral
Examples
There's a great deal of traffic on the highway
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Everyday learner phrase (CEFR B1); level cross-referenced from published learner lists. Definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-08-01; pending editor spot-check.
Common questions
What does “a great deal of something” mean?
A large amount or quantity of something Literally: many
Is “a great deal of something” formal or informal?
a great deal of something is generally neutral.