blunder
Translation
blunder, gaffe, serious mistake
Examples
He made a terrible blunder on the exam.
He made a terrible blunder on the exam.
The political blunder cost him the election.
The political blunder cost him the election.
Grammar Patterns
to make a blunder to commit a serious mistake He made a terrible blunder on the exam.
a ((adjective)) blunder a mistake of a certain type The political blunder cost him the election.
Similar Words
Synonyms: mistake, error, gaffe, faux pas
Etymology
Possibly from Old Norse 'blundra', meaning 'to shut one's eyes', suggesting acting blindly or carelessly.
Memory Tips
It sounds like 'blind under'. Imagine blindly walking under a low branch and hitting your head – a classic blunder.