Meaning of rash
Definition of rash
marked by defiant disregard for danger or consequences; "foolhardy enough to try to seize the gun from the hijacker"; "became the fiercest and most reckless of partisans"-Macaulay; "a reckless driver"; "a rash attempt to climb Mount Everest"
a series of unexpected and unpleasant occurrences; "a rash of bank robberies"; "a blizzard of lawsuits"