a great deal

to a very much extent (e.g., " we enjoyed ourselves a great deal at the party"); not often or in large quantities (e.g., "I don't drink a great deal of alcohol")

Adverb
1. to a very great degree or extent; "we enjoyed ourselves very much"; "she was very much interested"; "this would help a great deal"
(synonym) a lot, a good deal, much, very much
2. frequently or in great quantities; "I don't drink much"; "I don't travel much"
(synonym) much, often