Cool MateAttach vs Fasten
When to use each in English, with meaning, register, and examples.
Attach
Top 1,000 (very common)B1verb
Fasten
Top 3,000 (common)B1verb
Most common: Attach
| Attach | Fasten | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/əˈtætʃ/","/əˈtætʃɪz/","/əˈtætʃt/","/əˈtætʃɪŋ/"]/🇺🇸 /["/əˈtætʃ/","/əˈtætʃɪz/","/əˈtætʃt/","/əˈtætʃɪŋ/"]/ | 🇬🇧 /["/ˈfɑːsn/","/ˈfɑːsnz/","/ˈfɑːsnd/","/ˈfɑːsnɪŋ/"]/🇺🇸 /["/ˈfæsn/","/ˈfæsnz/","/ˈfæsnd/","/ˈfæsnɪŋ/"]/ |
| Meaning | to connect or fasten something to another thing | To make something secure or tight. |
| Example | Please attach the document to your email before sending it. | Please fasten your seatbelt before the flight. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 3,000 (common) |
| CEFR level | B1 | B1 |
| Part of speech | verb | verb |
| Collocations | firmly, securely, loosely, to | firmly, properly, securely, to, firmly, properly, securely, to, firmly, properly, securely, to, firmly, properly, securely, to |
| Antonyms | detach, remove | loosen, unfasten |
| Common mistakes | Confused with 'detach' – forgetting to use the right prefix., Using 'attaching' incorrectly in passive constructions., Not following with an object, e.g., 'attach to' instead of 'attach the document to'. | Confusing 'fasten' with 'loosen'., Using 'fasten' without an object, e.g., saying 'I need to fasten.' instead of 'I need to fasten my seatbelt.', Mixing up 'fasten' with other similar verbs like 'attach' or 'secure'. |
| Usage notes | Use 'attach' for both physical and abstract connections, like emails or documents. Less common in very formal writing. Avoid with informal language unless using slang. | Use 'fasten' when you want to describe securing something, like a seatbelt or a button. It's appropriate in most contexts. |
Frequently asked questions: Attach vs Fasten
What's the difference between Attach and Fasten?
Attach: to connect or fasten something to another thing Fasten: To make something secure or tight.
Which is more common: Attach and Fasten?
Attach is the most common in everyday English.
Are Attach and Fasten the same CEFR level?
Attach: B1, Fasten: B1 on the CEFR scale.
What part of speech are Attach and Fasten?
Attach: verb, Fasten: verb.
Can you show an example of each?
Attach: Please attach the document to your email before sending it. Fasten: Please fasten your seatbelt before the flight.
Can I use Attach and Fasten interchangeably?
Not always. Attach and Fasten 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.