Cool MateError vs That was a mistake
When to use each in English, with meaning, register, and examples.
Error
Top 1,000 (very common)A2noun
That was a mistake
Top 5,000 (fairly common)
Most common: Error
| Error | That was a mistake | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈerə(r)/"]/🇺🇸 /["/ˈerər/"]/ | 🇬🇧 //ðæt wəz ə mɪˈsteɪk//🇺🇸 //ðæt wəz ə mɪˈsteɪk// |
| Meaning | A mistake or something wrong that happens. | An error or something wrong that was done. |
| Example | I made an error in my calculations. | When I missed the deadline, I knew that was a mistake. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 5,000 (fairly common) |
| CEFR level | A2 | - |
| Part of speech | noun | |
| Collocations | 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 | make a mistake, admit a mistake, correct a mistake |
| Antonyms | success, correctness, accuracy | - |
| Common mistakes | '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. | Using past tense incorrectly, e.g., saying 'That is a mistake' when referring to a past action., Omitting the subject, leading to phrases like 'Was a mistake.', Confusing it with other expressions like 'That was wrong.' |
| Usage notes | 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. | "That was a mistake" is often used to acknowledge an error. It's suitable for casual and formal conversations but may be less appropriate in very light-hearted contexts. |
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Frequently asked questions: Error vs That was a mistake
What's the difference between Error and That was a mistake?
Error: A mistake or something wrong that happens. That was a mistake: An error or something wrong that was done.
Which is more common: Error and That was a mistake?
Error is the most common in everyday English.
Can you show an example of each?
Error: I made an error in my calculations. That was a mistake: When I missed the deadline, I knew that was a mistake.
Can I use Error and That was a mistake interchangeably?
Not always. Error and That was a mistake 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.