Crossword Dictionary
foolhardy
foolhardy, heady, rash, reckless - a
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"
synonyms
audacious, brash, daredevil, madcap, overbold, overconfident, reckless, temerarious
in a sentence
hikers who were foolhardy enough to remain on the summit during a thunderstorm
it's foolhardy to go hiking during late fall without warm clothes
etymology
also fool-hardy, mid-13c., folhardi, from fol "fool" (see fool (n.1) + hardi "bold" (see hardy) hence "foolishly brave, bold without judgment or moderation." Compare Old French fol hardi. Related: foolhardiness (mid-13c.); Middle English had also as a noun foolhardiment (mid-15c.).