a good deal

English

Alternative forms

• a great deal

Adverb

a good deal (not comparable)

1. (idiomatic) Very much; to a great extent; a lot; lots.

   We had a good deal more money afterwards.

   • 1865, Lewis Carroll, Alice's Adventures in Wonderland, Chapter 5: Advice from a Caterpillar,

     She was a good deal frightened by this very sudden change, but she felt that there was no time to be lost, as she was shrinking rapidly: so she set to work at once to eat some of the other bit.

Noun

a good deal (this singular form only)

1. (idiomatic) A large amount; a lot.
   • 1838, Edgar Allan Poe, How to Write a Blackwood Article,

     You may make a good deal of that little fact if properly worked.