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rash1

[rash] /ræʃ/
adjective, rasher, rashest.
1.
acting or tending to act too hastily or without due consideration.
2.
characterized by or showing too great haste or lack of consideration:
rash promises.
Origin
1350-1400
1350-1400; Middle English; cognate with Dutch, German rasch quick, brisk, Old Norse rǫskr brave
Related forms
rashly, adverb
rashness, noun
Synonyms
1. hasty, impetuous, reckless, venturous, incautious, precipitate, indiscreet, foolhardy.
Antonyms
1. cautious.

rash2

[rash] /ræʃ/
noun
1.
an eruption or efflorescence on the skin.
2.
a multitude of instances of something occurring more or less during the same period of time:
a rash of robberies last month.
Origin
1700-10; < French rache (obsolete), Old French rasche skin eruption, derivative of raschier to scratch, ultimately < Latin rādere to scratch
Related forms
rashlike, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for rash
  • Dermatomyositis is a muscle disease characterized by inflammation and a skin rash.
  • Although it might seem easy to clear formatting with a click, a copy editor would be rash to do that.
  • Measles causes symptoms including an extremely itchy rash, high fever, runny nose and red eyes.
  • After a brutal onset involving excruciating headache and blistering fever, a rash would arise.
  • Over the next couple of days they spread to my thighs and arms and turned into a red rash.
  • The decision is the latest in a rash of court cases in which public concern for marine mammals has stopped acoustic research.
  • Corticosteroid creams or ointments or other soothing skin medications may relieve discomfort from itching and rash.
  • The rash slowly becomes ring-shaped, with a red-colored, raised border and a clearer center.
  • The early rash is a light rose color and fades when you press on it.
  • Later, the rash becomes dull and red and does not fade.
British Dictionary definitions for rash

rash1

/ræʃ/
adjective
1.
acting without due consideration or thought; impetuous
2.
characterized by or resulting from excessive haste or impetuosity a rash word
Derived Forms
rashly, adverb
rashness, noun
Word Origin
C14: from Old High German rasc hurried, clever; related to Old Norse roskr brave

rash2

/ræʃ/
noun
1.
(pathol) any skin eruption
2.
a series of unpleasant and unexpected occurrences a rash of forest fires
Derived Forms
rashlike, adjective
Word Origin
C18: from Old French rasche, from raschier to scratch, from Latin rādere to scrape
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 rash
rash
c.1300, "nimble, quick, vigorous," a Scottish and northern word, perhaps from O.E. -ræsc (cf. ligræsc "flash of lightning"), from P.Gmc. *raskuz (cf. M.L.G. rasch, M.Du. rasc "quick, swift," Ger. rasch "quick, fast"). Related to O.E. horsc "quick-witted." Sense of "reckless, impetuous, heedless of consequences" is attested from 1509.
rash
"red spots on skin," 1709, perhaps from Fr. rache "a sore," from O.Fr. rache "ringworm," from V.L. *rasicare "to scrape" (cf. O.Prov. rascar, Sp. rascar "to scrape, scratch," It. raschina "itch"), from L. rasus "scraped," pp. of radere "to scrape" (see raze). The connecting notion is of itching. Sense of "any sudden outbreak or proliferation" first recorded 1820.
Online Etymology Dictionary, © 2010 Douglas Harper
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rash in Medicine

rash (rāsh)
n.
A skin eruption.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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