Swift and Supersonic

Swift adjective - Moving, proceeding, or acting with great speed.

Supersonic and swift are semantically related in nippy topic. In some cases you can use "Supersonic" instead an adjective "Swift", when it comes to topics like very fast. informal substitute

Nearby Words: swiftly, swiftness

Supersonic adjective - Of speed) greater than the speed of sound in a given medium (especially air.

Swift and supersonic are semantically related in fast topic. You can use "Swift" instead an adjective "Supersonic", if it concerns topics such as speedy.