Definition of foolhardy adjective from the Oxford Advanced Learner's Dictionary

 

foolhardy

 adjective
adjective
BrE BrE//ˈfuːlhɑːdi//
 
; NAmE NAmE//ˈfuːlhɑːrdi//
 
(disapproving)
 
jump to other results
taking unnecessary risks synonym reckless It would be foolhardy to sail in weather like this. Word Origin Middle English: from Old French folhardi, from fol ‘foolish’ + hardi ‘bold’ (past participle of hardir ‘become bold’, of Germanic origin).
See the Oxford Advanced American Dictionary entry: foolhardy