adj., adv., & n.
adj. 1 quick, rapid; soon coming or passing. 2 speedy, prompt (a swift response; was swift to act).
adv. (archaic except in comb.) swiftly (swift-moving).
n. 1 any swift-flying insect-eating bird of the family Apodidae, with long wings and a superficial resemblance to a swallow. 2 a revolving frame for winding yarn etc. from. swiftly adv. swiftness n.
[ OE, rel. to swifan move in a course ]