What is a fancy word for fast?

SWIFT for Electronic Funds Transfers Behind most international money and security transfers is the Society for Worldwide Interbank Financial Telecommunications (SWIFT) system.

1 : moving or capable of moving with great speed a swift runner. 2 : occurring suddenly or within a very short time a swift transition. 3 : quick to respond : ready.

3. The definition of swift is something that happens quickly or something that moves at high speed . When a person runs very quickly, this is an example of a situation where his run might be described as swift. adjective.

Some common synonyms of speedy are expeditious, fast, fleet, hasty, quick, rapid, and swift .