rash

1
[ rash ]
See synonyms for rash on Thesaurus.com
adjective,rash·er, rash·est.
  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 of rash

1
First recorded in 1350–1400; Middle English; cognate with Dutch, German rasch “quick, brisk,” Old Norse rǫskr “brave”

Other words for rash

Opposites for rash

Other words from rash

  • rash·ly, adverb
  • rash·ness, noun

Other definitions for rash (2 of 2)

rash2
[ rash ]

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 of rash

2
1700–10; <French rache (obsolete), Old French rasche skin eruption, derivative of raschier to scratch, ultimately <Latin rādere to scratch

Other words from rash

  • rashlike, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use rash in a sentence

  • As yet he was under the influence of such a degree of vanity as prompted him to the rashest courses.

    The Wars of the Roses | John G. Edgar
  • When you have done the rashest thing in the world it is very pleasant to be told that no man of spirit could have acted otherwise.

    Phineas Redux | Anthony Trollope
  • I'd long been rash, but the rashest thing I did was when I fell in love with Flora.

    Wyndham's Pal | Harold Bindloss
  • He had, even in the eyes of his enemies, earned a reputation for courage, which could only be sustained by the rashest adventures.

    Chicot the Jester | Alexandre Dumas, Pere
  • From a sudden passion, not otherwise to be gratified, he had made the rashest sacrifices for an unequal marriage.

    The Last Of The Barons, Complete | Edward Bulwer-Lytton

British Dictionary definitions for rash (1 of 2)

rash1

/ (ræʃ) /


adjective
  1. acting without due consideration or thought; impetuous

  2. characterized by or resulting from excessive haste or impetuosity: a rash word

Origin of rash

1
C14: from Old High German rasc hurried, clever; related to Old Norse roskr brave

Derived forms of rash

  • rashly, adverb
  • rashness, noun

British Dictionary definitions for rash (2 of 2)

rash2

/ (ræʃ) /


noun
  1. pathol any skin eruption

  2. a series of unpleasant and unexpected occurrences: a rash of forest fires

Origin of rash

2
C18: from Old French rasche, from raschier to scratch, from Latin rādere to scrape

Derived forms of rash

  • rashlike, adjective

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