Definition of rash
(Entry 1 of 3)
1
: an eruption on the body
2
: a large number of instances in a short period
a rash of complaints
rash
adjectiveDefinition of rash (Entry 2 of 3)
1
: marked by or proceeding from undue haste or lack of deliberation or caution
a rash promise
2
obsolete
: quickly effective
rash
adverbDefinition of rash (Entry 3 of 3)
archaic
: in a rash manner
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Merriam-Webster unabridged
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Time Traveler for rash
The first known use of rash was in the 15th century
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