Definition of "good deal" in English

Noun

1. Large number, amount, or extent.

   • He made a good deal of trouble for us.
   • We have a good deal of territory to cover.
   • The audience is generally unaware of the good deal of work that goes into its creation.

2. Used other than figuratively or idiomatically: see good,‎ deal.

   • I can offer you a good deal on that van.
   • There are plenty of good deals on flights.

Interjection

1. Excellent! Used to indicate approval, or agreement.

   • You got everything packed? Good deal!