Afraid not vs No vs Not really
When to use each in English, with meaning, register, and examples.
Afraid not
InformalBeyond 10,000 (less common)
No
High-frequency chunkA1exclamation
Not really
InformalTop 2,000 (common)
Most formal: NoMost common: No
| Afraid not | No | Not really | |
|---|---|---|---|
| Pronunciation | 🇬🇧 //əˈfreɪd nɒt//🇺🇸 //əˈfreɪd nɑt// | 🇬🇧 /["/nəʊ/"]/🇺🇸 /["/nəʊ/"]/ | 🇬🇧 //nɒt ˈrɪəli//🇺🇸 //nɑt ˈrɪəli// |
| Meaning | Meaning you disagree or refuse what was said. | Refusal or disagreement. | Not true or correct. |
| Example | Can you help me with my homework? | I asked if she wanted to join us, and she said no. | When he said he was an expert, I thought, 'Not really'. |
| Register | Informal | Neutral | Informal |
| How common | Beyond 10,000 (less common) | High-frequency chunk | Top 2,000 (common) |
| CEFR level | - | A1 | - |
| Part of speech | exclamation | ||
| Collocations | afraid not, not really, unfortunately not | say no, no way, no doubt, no problem, no harm | not really my thing, not really sure, not really interested |
| Antonyms | - | yes | - |
| Common mistakes | Confused with 'I'm afraid' which is a more polite way to decline., Used in overly formal contexts where it sounds inappropriate., Misunderstood as a direct refusal without considering tone. | Confused with 'not', using 'no' in places where 'not' should be used., Inappropriately using 'no' when a softer response is better., Mispronouncing it in a way that sounds like 'know'. | Using it in very formal writing or speeches., Confusing with 'not really' as a definitive answer instead of an expression of doubt. |
| Usage notes | Used mainly in casual conversation to gently say 'no'. Avoid in formal situations. | Use 'no' to reject something or indicate disagreement. It's appropriate in both formal and informal contexts. Avoid using it abruptly in sensitive situations to avoid coming off as rude. | Used to express disagreement or doubt. Common in casual conversations, but may be too informal for formal settings. |
See it in real clips
Frequently asked questions: Afraid not vs No vs Not really
What's the difference between Afraid not, No, and Not really?
Afraid not: Meaning you disagree or refuse what was said. No: Refusal or disagreement. Not really: Not true or correct.
Which is more formal: Afraid not, No, and Not really?
No is the most formal of these.
Which is more common: Afraid not, No, and Not really?
No is the most common in everyday English.
Can you show an example of each?
Afraid not: Can you help me with my homework? No: I asked if she wanted to join us, and she said no. Not really: When he said he was an expert, I thought, 'Not really'.
Can I use Afraid not, No, and Not really interchangeably?
Not always. Afraid not, No, and Not really 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.