English Lexicon

Blunder

/ˈblʌn.dər/
nounverbCEFR B2 (Upper)Top #4500 frequency
Full Thesaurus

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A careless or stupid mistake.

    "He made a blunder during the presentation that cost him the deal."
As verb
  1. 1

    To make a careless mistake.

    "She blundered when she forgot to save her work."

Thesaurus & Semantic Spectrum

Synonyms (3)
Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from Middle English blunders, related to Old Norse blunda meaning 'to doze' or 'stumble blindly', evolving in the 16th century to mean making a stupid or careless mistake through lack of attention.

Quick Vocabulary Retention Check

Which of the following is the closest synonym for "Blunder"?

Thesaurus & Synonyms Graph

Explore Nuanced Synonyms for "Blunder"

Discover exact matches, context-specific alternatives, and antonyms with intensity ratings in the VocabDictionary Thesaurus.

View "Blunder" Synonym Map