Speedy (adjective)

1. Happening or done quickly.
2. Moving or able to move at high speed.

Origin:

Late 16th century (in the sense "hasty"): from speed + -y.

Examples:

1. We need a speedy resolution to this problem.
2. He promised a speedy return of the stolen money.
3. The car has a top speed of 150 mph, making it one of the most speedy vehicles on the market.
4. The internet service provider promised a speedy delivery of internet service.
5. The company is well-known for its speedy delivery service.