WordNet sense 1 (any red eruption of the skin):

efflorescence, roseola, skin rash

WordNet sense 2 (a series of unexpected and unpleasant occurrences):

blizzard

WordNet sense 3 (not prudent or wise):

imprudent

WordNet sense 4 (marked by defiant disregard for danger or consequences):

foolhardy, heady, reckless

WordNet sense 5 (fearless and daring):

bold