Cool MateIt can't be undone vs Permanent
When to use each in English, with meaning, register, and examples.
It can't be undone
Top 5,000 (fairly common)
Permanent
Top 2,000 (common)B2adjective
Most common: Permanent
| It can't be undone | Permanent | |
|---|---|---|
| Pronunciation | 🇬🇧 //ɪt kɑːnt biː ʌnˈdʌn//🇺🇸 //ɪt kænt bi ˌʌnˈdʌn// | 🇬🇧 /["/ˈpɜːmənənt/"]/🇺🇸 /["/ˈpɜːrmənənt/"]/ |
| Meaning | It can't be changed back to how it was. | Lasting forever or a long time without changing. |
| Example | Once you send that email, it can't be undone. | The tattoo on her arm is a permanent reminder of her travels. |
| Register | Neutral | Neutral |
| How common | Top 5,000 (fairly common) | Top 2,000 (common) |
| CEFR level | - | B2 |
| Part of speech | adjective | |
| Collocations | action can't be undone, decision can't be undone, mistake can't be undone | be, prove, seem, almost, relatively, seemingly |
| Antonyms | - | temporary, transient, fleeting |
| Common mistakes | Using 'undo' instead of 'undone' in this context., Confusing with similar phrases like 'it can't be changed'., Incorrectly implying a process rather than a finality. | Confused with 'temporary' which means the opposite., Using it to describe things that are not fixed like temporary jobs., Spelling errors or misuse of similar-sounding words. |
| Usage notes | Use this phrase when talking about decisions or actions that have permanent consequences. It's suitable for both formal and informal contexts. | Use 'permanent' when something is fixed or unchangeable. It's suitable for both formal and everyday contexts, but avoid using it when speaking about temporary situations. |
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Frequently asked questions: It can't be undone vs Permanent
What's the difference between It can't be undone and Permanent?
It can't be undone: It can't be changed back to how it was. Permanent: Lasting forever or a long time without changing.
Which is more common: It can't be undone and Permanent?
Permanent is the most common in everyday English.
Can you show an example of each?
It can't be undone: Once you send that email, it can't be undone. Permanent: The tattoo on her arm is a permanent reminder of her travels.
Can I use It can't be undone and Permanent interchangeably?
Not always. It can't be undone and Permanent 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.