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



BrE BrE//ˈfuːlhɑːdi//
; NAmE NAmE//ˈfuːlhɑːrdi//
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taking unnecessary risks synonym reckless It would be foolhardy to sail in weather like this. Word OriginMiddle 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