Cool MateFault vs That was a mistake
When to use each in English, with meaning, register, and examples.
Fault
Top 1,000 (very common)B2noun
That was a mistake
Top 5,000 (fairly common)
Most common: Fault
| Fault | That was a mistake | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/fɔːlt/"]/🇺🇸 /["/fɔːlt/"]/ | 🇬🇧 //ðæt wəz ə mɪˈsteɪk//🇺🇸 //ðæt wəz ə mɪˈsteɪk// |
| Meaning | A mistake or a problem in something. | An error or something wrong that was done. |
| Example | The engineer quickly identified the fault in the electricity supply. | 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 | B2 | - |
| Part of speech | noun | |
| Collocations | stupid, entire, lie with somebody, at fault, through somebody’s fault, without fault, be all somebody’s fault, be entirely somebody’s fault, be largely somebody’s fault, big, great, moral, have, be blind to, overlook, fault in, for all somebody’s faults, to a fault, major, minor, dangerous, have, develop, look for, occur, lie in something, fault in, fault with, for all its faults, double, foot, serve, earthquake, geological, line, scarp, system | make a mistake, admit a mistake, correct a mistake |
| Antonyms | merit, virtue, advantage | - |
| Common mistakes | Confusing 'fault' with 'error' — 'fault' often implies blame., Using 'fault' inappropriately as a verb instead of a noun., Misplacing the article — 'the fault' vs. 'fault'. | 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 'fault' in both formal and informal conversations when discussing blame or a defect. Avoid using it in overly casual contexts. | "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: Fault vs That was a mistake
What's the difference between Fault and That was a mistake?
Fault: A mistake or a problem in something. That was a mistake: An error or something wrong that was done.
Which is more common: Fault and That was a mistake?
Fault is the most common in everyday English.
Can you show an example of each?
Fault: The engineer quickly identified the fault in the electricity supply. That was a mistake: When I missed the deadline, I knew that was a mistake.
Can I use Fault and That was a mistake interchangeably?
Not always. Fault 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.