First Known Use: 15th century
Dictionary
1rash
adverb \ˈrash\
Definition of RASH
archaic : in a rash manner
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Origin of RASH
Middle English (northern dialect) rasch quickly; akin to Old High German rasc fast
2rash
adjective
: done or made quickly and without thought about what will happen as a result
: doing something quickly and without thinking carefully about what will happen as a result
Full Definition of RASH
1
: marked by or proceeding from undue haste or lack of deliberation or caution <a rash promise>
2
obsolete : quickly effective
— rash·ly adverb
— rash·ness noun
See rash defined for English-language learners
See rash defined for kids
First Known Use of RASH
1509
Related to RASH
- Synonyms
- cursory, drive-by, flying, gadarene, headlong, helter-skelter, hurried, overhasty, pell-mell, precipitate, precipitous, hasty, rushed
- Antonyms
- deliberate, unhurried, unrushed
Synonym Discussion of RASH
adventurous, venturesome, daring, daredevil, rash, reckless, foolhardy mean exposing oneself to danger more than required by good sense. adventurous implies a willingness to accept risks but not necessarily imprudence <adventurous pioneers>. venturesome implies eagerness for perilous undertakings <venturesome stunt pilots>. daring implies fearlessness in courting danger <daring mountain climbers>. daredevil stresses ostentation in daring <daredevil motorcyclists>. rash suggests imprudence and lack of forethought <a rash decision>. reckless implies heedlessness of probable consequences <a reckless driver>. foolhardy suggests a lack of good sense <the foolhardy sailor ventured into the storm>.
3rash
noun
: a group of red spots on the skin that is caused by an illness or a reaction to something
: a series of usually unpleasant things or events that happen in a short period of time
Full Definition of RASH
1
: an eruption on the body
2
: a large number of instances in a short period <a rash of complaints>
See rash defined for English-language learners
Origin of RASH
obsolete French rache scurf, from Old French raiche, from Vulgar Latin *rasica, from *rasicare to scratch, from Latin rasus, past participle of radere
First Known Use: 1709
RASH[1] Defined for Kids
1rash
adjective \ˈrash\
Definition of RASH for Kids
: done or made quickly and without thought of the likely result <a rash decision>
— rash·ly adverb
— rash·ness noun
2rash
noun
Definition of RASH for Kids
1
: a breaking out of the skin with red spots (as from illness or an allergic reaction)
2
: a series of bad things that happen in a short time <a rash of fires>
Medical Dictionary
rash
noun \ˈrash\
Medical Definition of RASH
: an eruption on the body typically with little or no elevation above the surface
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