Cool MateAdhere vs Attach
When to use each in English, with meaning, register, and examples.
Adhere
Attach
| Adhere | Attach | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ədˈhɪə(r)/","/ədˈhɪəz/","/ədˈhɪəd/","/ədˈhɪərɪŋ/"]/🇺🇸 /["/ədˈhɪr/","/ədˈhɪrz/","/ədˈhɪrd/","/ədˈhɪrɪŋ/"]/ | 🇬🇧 /["/əˈtætʃ/","/əˈtætʃɪz/","/əˈtætʃt/","/əˈtætʃɪŋ/"]/🇺🇸 /["/əˈtætʃ/","/əˈtætʃɪz/","/əˈtætʃt/","/əˈtætʃɪŋ/"]/ |
| Meaning | To stick to something or follow it closely. | to connect or fasten something to another thing |
| Example | Once in the bloodstream, the bacteria adhere to the surface of the red cells. | Please attach the document to your email before sending it. |
| Register | Formal | Neutral |
| How common | Top 3,000 (common) | Top 1,000 (very common) |
| CEFR level | C1 | B1 |
| Part of speech | verb | verb |
| Collocations | closely, firmly, rigidly, to | firmly, securely, loosely, to |
| Antonyms | detach, separate, disobey | detach, remove |
| Common mistakes | Confused with 'adhere to' vs 'stick to' — they are not interchangeable., Using 'adhere' without a clear object — it needs to specify what is being adhered to., Assuming 'adhere' can only refer to physical sticking — it can also refer to following rules. | 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'. |
| Usage notes | Used in formal contexts, often in legal or technical language. It's appropriate when discussing rules, guidelines, or sticky substances, but less common in casual conversation. | 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. |
Frequently asked questions: Adhere vs Attach
What's the difference between Adhere and Attach?
Adhere: To stick to something or follow it closely. Attach: to connect or fasten something to another thing
Which is more formal: Adhere and Attach?
Adhere is the most formal of these.
Which is more common: Adhere and Attach?
Attach is the most common in everyday English.
Which is more advanced: Adhere and Attach?
Adhere is the highest level, at C1, on the CEFR scale.
Are Adhere and Attach the same CEFR level?
Adhere: C1, Attach: B1 on the CEFR scale.
What part of speech are Adhere and Attach?
Adhere: verb, Attach: verb.
Can you show an example of each?
Adhere: Once in the bloodstream, the bacteria adhere to the surface of the red cells. Attach: Please attach the document to your email before sending it.
Can I use Adhere and Attach interchangeably?
Not always. Adhere and Attach 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.