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rapid

[rap-id] /ˈræp ɪd/
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
1625-1635
1625-35; < Latin rapidus tearing away, seizing, swift. See rape1, -id4
Related forms
rapidly, adverb
ultrarapid, adjective
ultrarapidly, adverb
Can be confused
fast, quick, rapid, swift (see synonym study at quick)
Synonyms
2. See quick.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for rapidest

rapid

/ˈræpɪd/
adjective
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
See also rapids
Derived Forms
rapidly, adverb
rapidity (rəˈpɪdɪtɪ), rapidness, noun
Word Origin
C17: from Latin rapidus tearing away, from rapere to seize; see rape1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for rapidest
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
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Word Value for rapidest

11
12
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