Afraid not vs Not really
When to use each in English, with meaning, register, and examples.
Afraid not
InformalBeyond 10,000 (less common)
Not really
InformalTop 2,000 (common)
Most common: Not really
| Afraid not | Not really | |
|---|---|---|
| Pronunciation | 🇬🇧 //əˈfreɪd nɒt//🇺🇸 //əˈfreɪd nɑt// | 🇬🇧 //nɒt ˈrɪəli//🇺🇸 //nɑt ˈrɪəli// |
| Meaning | Meaning you disagree or refuse what was said. | Not true or correct. |
| Example | Can you help me with my homework? | When he said he was an expert, I thought, 'Not really'. |
| Register | Informal | Informal |
| How common | Beyond 10,000 (less common) | Top 2,000 (common) |
| Collocations | afraid not, not really, unfortunately not | not really my thing, not really sure, not really interested |
| 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. | 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. | Used to express disagreement or doubt. Common in casual conversations, but may be too informal for formal settings. |
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Frequently asked questions: Afraid not vs Not really
What's the difference between Afraid not and Not really?
Afraid not: Meaning you disagree or refuse what was said. Not really: Not true or correct.
Which is more common: Afraid not and Not really?
Not really is the most common in everyday English.
Can you show an example of each?
Afraid not: Can you help me with my homework? Not really: When he said he was an expert, I thought, 'Not really'.
Can I use Afraid not and Not really interchangeably?
Not always. Afraid not 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.