Swift Definition
 swĭft 
  swiftest, swifts, swifter
  
    adjective
  
 
    swiftest, swifter
  
Moving or capable of moving with great speed; rapid; fast.
 Webster's New World 
Coming, happening, or done quickly or suddenly.
 Webster's New World 
Acting or responding quickly; prompt; ready.
 Webster's New World 
Quick to act or react.
 Swift to take revenge.
 American Heritage 
Synonyms: 
  
    adverb
  
 In a swift manner.
 Webster's New World 
Swiftly. Often used in combination.
 Swift-running.
 American Heritage 
    noun
  
 
    swifts
  
A cylinder in a carding machine.
 Webster's New World 
An expanding reel used to hold skeins of silk, etc. that are being wound off.
 Webster's New World 
Any of a large family (Apodidae, order Apodiformes) of aerial-feeding, insectivorous, swift-flying, swallowlike birds with long, stiff wings and a small, weak bill, as the chimney swift.
 Webster's New World 
Any of several swift-moving North American iguanas (genera Sceloporus and Uta) living esp. in arid or desert regions.
 Webster's New World 
A small fox (Vulpes velox) of the plains of W U.S. and S Canada.
 Webster's New World 
Synonyms: 
  
- gustavus franklin swift
- Dean Swift
- jonathan swift
- blue-belly
- Sceloporus occidentalis
- western fence lizard
- swiftness
- expedition
- celerity
- alacrity
- acceleration
Other Word Forms of Swift
Noun
Singular:
 swiftPlural:
 swiftsAdjective
Origin of Swift
-  From Middle English, from Old English swift (“swift, quick"), from Proto-Germanic *swiftaz (“swift, quick"), from Proto-Indo-European *(s)weip-, *(s)weib- (“to twist, wind around"). Cognate with Icelandic svipta (“to pull quickly"), Old English swÄ«fan (“to revolve, sweep, wend, intervene"). More at swivel. From Wiktionary 
- Middle English from Old English - From American Heritage Dictionary of the English Language, 5th Edition 
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