Swift a. [Compar. Swifter superl. Swiftest.]
  1. Moving a great distance in a short time; moving with celerity or velocity; fleet; rapid; quick; speedy; prompt.
     My beloved brethren, let every man be swift to hear, slow to speak, slow to wrath.   --James i. 19.
     Swift of dispatch and easy of access.   --Dryden.
     And bring upon themselves swift destruction.   --2 Pet. ii. 1.
  2. Of short continuance; passing away quickly.
  Note: ☞ Swift is often used in the formation of compounds which are generally self-explaining; as, swift-darting, swift-footed, swift-winged, etc.
  Syn: -- Quick; fleet; speedy; rapid; expeditious.