Definition of blunder
(Entry 1 of 2)
1
: to move unsteadily or confusedly
In their exhaustion they often blundered against each other …— Norman Mailer
2
: to make a mistake through stupidity, ignorance, or carelessness
blundered by not acting sooner
1
: to utter stupidly, confusedly, or thoughtlessly
blundered an apology
2
: to make a stupid, careless, or thoughtless mistake in
… blundering matters through ignorance …— Rafael Sabatini
blunder
nounDefinition of blunder (Entry 2 of 2)
: a gross error or mistake resulting usually from stupidity, ignorance, or carelessness
a costly tactical blunder
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Merriam-Webster unabridged
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Time Traveler for blunder
The first known use of blunder was in the 14th century
See more words from the same century