High-speed (adjective)

1. Moving or functioning at an especially rapid pace or rate.
2. Designed to operate or capable of operating at a high speed.

Origin:

Late 20th century: from high + speed.

Examples:

1. The high-speed train connects major cities in just a few hours.
2. The high-speed internet service provides fast and reliable connection.
3. The high-speed race car set a new record for the circuit.
4. The high-speed camera captured amazing details of the process.
5. The high-speed chase ended in a dramatic crash and arrest.