1. (adverb)a lot, lots, a good deal, a great deal, much, very much to a very great degree or extent Synonyms: a great deal, practically, a lot, very much, lots, a good deal, often, much
2. (adverb)much, a great deal, often frequently or in great quantities Synonyms: oft, a great deal, practically, a lot, oftentimes, very much, frequently, lots, a good deal, often, much, ofttimes
Synonyms and Antonyms of a great deal 
