swift

adjective
  1. Moving or capable of moving with great speed or velocity; fast. adjective
    The cheetah is known for being a swift animal.
    She made a swift recovery after the surgery.
  2. Happening or done quickly or immediately. adjective
    The response to the emergency was swift.
    He made a swift decision to leave the company.
  3. A small bird of the family Apodidae, known for its fast flight and ability to stay airborne for long periods. noun
    The swift is often seen darting through the sky at dusk.
    Swifts are known to spend most of their lives in the air.
  4. A reel for holding yarn as it is being wound off. noun
    She used a swift to help wind the yarn into a neat ball.
    The swift kept the yarn from tangling as she worked.