Blunder vs Error vs Foul-up
When to use each in English, with meaning, register, and examples.
Blunder
Error
Foul-up
| Blunder | Error | Foul-up | |
|---|---|---|---|
| Pronunciation | 🇬🇧 //ˈblʌndə//🇺🇸 //ˈblʌndər// | 🇬🇧 /["/ˈerə(r)/"]/🇺🇸 /["/ˈerər/"]/ | 🇬🇧 //ˈfaʊlʌp//🇺🇸 //ˈfaʊlˌʌp// |
| Meaning | A big mistake or careless error. | A mistake or something wrong that happens. | To make a mistake or cause a problem. |
| Example | His explanation was full of blunders that made everyone confused. | I made an error in my calculations. | He really had a foul-up during the meeting when he forgot the main points. |
| Register | Neutral | Neutral | Informal |
| How common | Top 2,000 (common) | Top 1,000 (very common) | Beyond 10,000 (less common) |
| CEFR level | B1 | A2 | - |
| Part of speech | noun | noun | |
| Collocations | serious blunder, common blunder, make a blunder | egregious, fundamental, glaring, commit, make, cause, arise (from something), occur, result (from something), detection, correction, message, in error, error in, a comedy of errors, an error in judgement/judgment, an error of judgement/judgment | major foul-up, foul-up a plan, avoid a foul-up, foul-up in communication, classic foul-up |
| Antonyms | accuracy, perfection, success | success, correctness, accuracy | success, achievement |
| Common mistakes | Confusing 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. | 'Error' confused with 'mistake' – 'error' is usually more formal., Saying 'an error' and 'the error' interchangeably – be consistent with articles., Using 'error' without context – always clarify what type of error. | Confused with 'foul' as in 'bad' or 'offensive'., Using 'foul-up' in a serious context instead of a light, informal one., Not recognizing 'foul-up' as a verb phrase. |
| Usage notes | Use 'blunder' for mistakes that are noticeable and often embarrassing. It's suitable for most contexts but may sound too strong in casual conversation. | Use 'error' in both formal and casual contexts when talking about mistakes in writing, computer systems, or decisions. Avoid using it in very casual settings without explanation. | Use 'foul-up' informally, often in casual conversation or writing. Avoid in formal contexts or professional settings. |
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Frequently asked questions: Blunder vs Error vs Foul-up
What's the difference between Blunder, Error, and Foul-up?
Blunder: A big mistake or careless error. Error: A mistake or something wrong that happens. Foul-up: To make a mistake or cause a problem.
Which is more common: Blunder, Error, and Foul-up?
Error is the most common in everyday English.
Which is more advanced: Blunder, Error, and Foul-up?
Blunder is the highest level, at B1, on the CEFR scale.
Can you show an example of each?
Blunder: His explanation was full of blunders that made everyone confused. Error: I made an error in my calculations. Foul-up: He really had a foul-up during the meeting when he forgot the main points.
Can I use Blunder, Error, and Foul-up interchangeably?
Not always. Blunder, Error, and Foul-up 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.