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from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Characterized by or resulting from ill-considered haste or boldness. See Synonyms at reckless.
  • adj. Archaic Quick in producing a strong or marked effect.
  • n. A skin eruption.
  • n. An outbreak of many instances within a brief period: a rash of burglaries.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. hasty, not careful or considered.
  • n. An area of reddened, irritated, and inflamed skin.
  • n. A surge in problems; a spate, string or trend
  • v. To prepare with haste.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To pull off or pluck violently.
  • transitive v. To slash; to hack; to cut; to slice.
  • n. A fine eruption or efflorescence on the body, with little or no elevation.
  • n. An inferior kind of silk, or mixture of silk and worsted.
  • adj. Sudden in action; quick; hasty.
  • adj. Requiring sudden action; pressing; urgent.
  • adj. Esp., overhasty in counsel or action; precipitate; resolving or entering on a project or measure without due deliberation and caution; opposed to prudent; said of persons.
  • adj. Uttered or undertaken with too much haste or too little reflection
  • adj. So dry as to fall out of the ear with handling, as corn.
  • transitive v. To prepare with haste.

from The Century Dictionary and Cyclopedia

  • Quick; sudden; hasty.
  • Hasty in council or action; precipitate; headstrong; impetuous; venturesome: as, a rash statesman or minister; a rash commander.
  • Marked by or manifesting inconsiderate haste in speech or action; resulting from temerity or recklessness: as, rash words; rash measures.
  • Requiring haste; urgent.
  • Synonyms and Enterprising, Foolhardy, etc. (see adventurous), precipitate, hasty, headlong, inconsiderate, careless, heedless. See list under reckless.
  • To put together hurriedly; prepare with haste.
  • To publish imprudently; blab.
  • To cook too rapidly; burn from haste: as, the beef has been rashed in the roasting.
  • So ripe or dry as to break or fall readily, as corn from dry straw in handling.
  • n. Corn in the straw, so dry as to fall out with handling.
  • To tear or slash violently; lacerate; rend; hack; hew; slice.
  • n. A kind of inferior manufacture of silk or of silk and stuff.
  • n. A more or less extensive eruption on the skin.
  • n. An obsolete or dialectal form of rush.
  • Quick, brisk, hot; causing too quick a result: as, a rash fire.
  • n. A crisp rustle; a crackle.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. marked by defiant disregard for danger or consequences
  • n. a series of unexpected and unpleasant occurrences
  • n. any red eruption of the skin
  • adj. imprudently incurring risk


Middle English rasch, active, unrestrained, perhaps from Old English -raesc (in līgræsc, lightning) or from Middle Dutch or Middle Low German rasch, fast.
Possibly from obsolete French rache, a sore, from Old French rasche, scurf, from raschier, to scrape, scratch, from Vulgar Latin *rāsicāre, from Latin rāsus, past participle of rādere; see rēd- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English rash, rasch ("hasty, headstrong") (Wiktionary)



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