rapid

[rap-id]
adjective sometimes, rapider, rapidest.
1.
occurring within a short time; happening speedily: rapid growth.
2.
moving or acting with great speed; swift: a rapid worker.
3.
characterized by speed: rapid motion.
noun
4.
Usually, rapids. a part of a river where the current runs very swiftly.

Origin:
1625–35; < Latin rapidus tearing away, seizing, swift. See rape1, -id4

rapidly, adverb
ultrarapid, adjective
ultrarapidly, adverb

fast, quick, rapid, swift (see synonym study at quick).


2. See quick.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To rapids
Collins
World English Dictionary
rapid (ˈræpɪd)
 
adj
1.  (of an action or movement) performed or occurring during a short interval of time; quick: a rapid transformation
2.  characterized by high speed: rapid movement
3.  acting or moving quickly; fast: a rapid worker
 
[C17: from Latin rapidus tearing away, from rapere to seize; see rape1]
 
'rapidly
 
adv
 
rapidity
 
n
 
'rapidness
 
n

rapids (ˈræpɪdz)
 
pl n
part of a river where the current is very fast and turbulent

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

rapid
1634, from L. rapidus "hasty, snatching," from rapere "hurry away, carry off, seize, plunder," from PIE base *rep- "to snatch" (cf. Gk. ereptomai "devour," harpazein "snatch away"). Rapids is 1765, from Fr. rapides, applied by Fr. voyagers to North American rivers. Rapid-transit first attested 1873;
rapid eye movement is from 1916.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
Sites where a river can be forded or waterfalls and rapids occur can become a
  natural meeting point for people.
The river is filled with mild to moderate rapids that lend excitement to your
  whitewater rafting trip.
Operators pride themselves on offering the best commercially run rapids in the
  world.
And off-duty rafting guides brave roller-coaster rapids in locally made kayaks.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature