Wiktionary
foolhardiest
a. (en-superlative of: foolhardy)
WordNet
foolhardy
adj. marked by unthinking boldness; with 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 the World Trade Center" [syn: rash, reckless]
[also: foolhardiest, foolhardier]
foolhardiest
See foolhardy