Definition of blunder noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈblʌndə(r)//
; NAmE NAmE//ˈblʌndər//
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a stupid or careless mistake to make a terrible blunder a series of political blunders Word OriginMiddle English: probably of Scandinavian origin and related to blind.Extra examples The president has made a series of political blunders. one of the greatest policy blunders in history After a series of political blunders he finally resigned. I think I’ve made a terrible blunder.
See the Oxford Advanced American Dictionary entry: blunder