- The definition of a blunder is a foolish mistake.
An example of blunder is someone referring to a man's wife as his daughter.
- Blunder means to say or do something in a careless or stupid way.
An example of blunder is someone tripping over their own foot.
A blunder that could have been avoided.
- to move clumsily or carelessly; flounder; stumble
- to make a foolish or stupid mistake
Origin of blunderMiddle English blunderen, frequentative ; from Old Norse blunda, to shut the eyes, akin to Swedish dialect, dialectal blundra, to do blindly ; from Indo-European base an unverified form bhlendh-: see blend
- to say stupidly, clumsily, or confusedly; blurt: often with out
- to do clumsily or poorly; bungle
verbblun·dered, blun·der·ing, blun·ders
- To make a mistake.
- To move clumsily or haltingly.
- To make a mistake in; botch: would-be thieves blundering a break-in.
- To utter (something) stupidly or thoughtlessly.
Origin of blunderFrom Middle English blunderen, to go blindly, perhaps from Old Swedish blundra, have one's eyes closed, from Old Norse blunda.
(third-person singular simple present blunders, present participle blundering, simple past and past participle blundered)
- (intransitive) To make a clumsy or stupid mistake.
- to blunder in preparing a medical prescription
- (intransitive) To move blindly or clumsily.
- To cause to make a mistake.
- To do or treat in a blundering manner; to confuse.
Old Norse blunda (“to shut the eyes”). Cognates include Danish blunde (“to blink”).