A car with a roofline that slopes continuously down at the back.
More example sentences
- Of course, as the Mustang is a fastback, the headroom in the rear isn't nearly what it is in the front: architecture has consequences.
- Most folks I've talked to would love to see a fastback, but you can make mine a convertible.
- It bothered me a little that I didn't have a pickup, and I couldn't see doing much off road driving with my Mustang fastback.
Definition of fastback in:
- The British & World English dictionary