definition of
rash

[1] #1 rash n. [roseola, efflorescence, skin rash] any red eruption of the skin. wn

[2] #2 rash n. [blizzard] a series of unexpected and unpleasant occurrences; "a rash of bank robberies"; "a blizzard of lawsuits". wn

[3] #3 rash s. [foolhardy, heady, reckless] 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". wn