rapidity

Variant of rapid

rapid definition

rapid (rap′id)

adjective

moving, progressing, or occurring with speed; swift; fast; quick

Etymology: L rapidus < rapere, to seize, rush: see rape

noun

  1. a part of a river where the current is relatively swift, as because of a narrowing of the river bed
  2. a rapid transit car, train, or system

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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