rash

(noun) any red eruption of the skin. Synonyms: roseola, efflorescence, skin rash.

(noun) a series of unexpected and unpleasant occurrences. Synonyms: blizzard. Examples: "A rash of bank robberies." "A blizzard of lawsuits."

(adj) imprudently incurring risk. Example: "Do something rash that he will forever repent"- george meredith."

(adj) marked by defiant disregard for danger or consequences. Synonyms: foolhardy, heady, reckless. Examples: "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."