Blunder vs Failure

When to use each in English, with meaning, register, and examples.

Blunder

Top 2,000 (common)B1noun

Failure

Top 1,000 (very common)B2noun
Most common: Failure
 BlunderFailure
Pronunciation🇬🇧 //ˈblʌndə//🇺🇸 //ˈblʌndər//🇬🇧 /["/ˈfeɪljə(r)/"]/🇺🇸 /["/ˈfeɪljər/"]/
MeaningA big mistake or careless error.not succeeding in something
ExampleHis explanation was full of blunders that made everyone confused.His failure to meet the deadline cost the company a valuable contract.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR levelB1B2
Part of speechnounnoun
Collocationsserious blunder, common blunder, make a blundercomplete, total, abject, be doomed to, end in, result in, rate, fear of failure, a history of failure, a possibility of failure, big, great, serious, be, represent, prove, arise from something, failure of, fundamental, general, manifest, excuse, justify, constitute, mechanical, structural, technical, cause, lead to, result in, occur, failure in, mechanical, structural, technical, cause, lead to, result in, occur, failure in, mechanical, structural, technical, cause, lead to, result in, occur, failure in
Antonymsaccuracy, perfection, successsuccess, achievement, victory
Common mistakesConfusing with 'fumble' which refers to a physical mistake rather than a mental error., Using 'blunder' only in formal situations; it can also be used in informal contexts., Overusing the word for small mistakes; it's meant for significant errors.Using 'failure' as a verb instead of a noun., Confusing 'failure' with 'fault,' thinking they mean the same., Not using appropriate prepositions, such as saying 'failure of' instead of 'failure to.'
Usage notesUse 'blunder' for mistakes that are noticeable and often embarrassing. It's suitable for most contexts but may sound too strong in casual conversation.Use 'failure' to describe a lack of success in a specific endeavor. Avoid in very formal documents unless necessary. In casual conversations, 'failure' can sound heavy; people may prefer 'not succeeding.'

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Blunder
Failure

Frequently asked questions: Blunder vs Failure

What's the difference between Blunder and Failure?

Blunder: A big mistake or careless error. Failure: not succeeding in something

Which is more common: Blunder and Failure?

Failure is the most common in everyday English.

Which is more advanced: Blunder and Failure?

Failure is the highest level, at B2, on the CEFR scale.

Are Blunder and Failure the same CEFR level?

Blunder: B1, Failure: B2 on the CEFR scale.

What part of speech are Blunder and Failure?

Blunder: noun, Failure: noun.

Can you show an example of each?

Blunder: His explanation was full of blunders that made everyone confused. Failure: His failure to meet the deadline cost the company a valuable contract.

Can I use Blunder and Failure interchangeably?

Not always. Blunder and Failure are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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