/ ˈblʌndə(r); NAmE / noun , verb
■ noun
a stupid or careless mistake :
to make a terrible blunder
a series of political blunders
■ verb
[ v ] to make a stupid or careless mistake :
The government had blundered in its handling of the affair.
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PHRASAL VERBS
- blunder about, around, etc.
- blunder into sth
- blunder on
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WORD ORIGIN
Middle English : probably of Scandinavian origin and related to blind .