We found 12 dictionaries that define the word a great deal:

General (9 matching dictionaries)

1. a great deal: Merriam-Webster
2. a great deal: Vocabulary.com
3. a great deal: Wiktionary
4. a great deal: Dictionary.com
5. a great deal: Rhymezone
6. a great deal: FreeDictionary.org
7. a great deal: Mnemonic Dictionary
8. a great deal: TheFreeDictionary.com
9. a great deal: Merriam-Webster

Business (1 matching dictionary)

10. a great deal: Legal dictionary

Computing (1 matching dictionary)

11. a great deal: Encyclopedia

Miscellaneous (1 matching dictionary)

12. a great deal: Idioms

Definitions from Wiktionary (a great deal) ▸ adverb:  (idiomatic) Very much; to a great extent; a lot; lots. Opposite: little, few, small, minimal, insignificant Types: sale, discount, bargain, coupon, clearance, more... Phrases: a great deal of, a great deal of trouble, means a great deal to me, a little does a great deal, a little does a great deal, more... ▸ Words similar to a great deal ▸ Usage examples for a great deal ▸ Idioms related to a great deal ▸ Wikipedia articles (New!) ▸ Words that often appear near a great deal ▸ Rhymes of a great deal ▸ Invented words related to a great deal