We found one dictionary that defines the word great many:

General (1 matching dictionary)

1. great many: Merriam-Webster

Phrases: a great many, twice as great or many, more... ▸ Words similar to great many ▸ Usage examples for great many ▸ Idioms related to great many ▸ Wikipedia articles (New!) ▸ Words that often appear near great many ▸ Rhymes of great many ▸ Invented words related to great many