What up vs Yo
When to use each in English, with meaning, register, and examples.
What up
InformalTop 2,000 (common)
Yo
InformalTop 2,000 (common)A1
| What up | Yo | |
|---|---|---|
| Pronunciation | 🇬🇧 //wɒt ʌp//🇺🇸 //wɑt ʌp// | 🇬🇧 //jəʊ//🇺🇸 //joʊ// |
| Meaning | A casual greeting or question asking how someone is doing. | A casual greeting or way to get someone's attention. |
| Example | When I saw my friend, I said, 'What up!' | Yo, are you coming to the party tonight? |
| Register | Informal | Informal |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | - | A1 |
| Collocations | What up with you?, Say what up, What up homie | say yo, shout yo, yo dude, yo man, yo what's up |
| Common mistakes | Using 'What up?' in formal emails., Confusing with 'What's up?' which is more common., Not using it with close friends or people you know well. | Using 'yo' in formal emails or speeches., Mispronouncing it as 'yoe'., Confusing it with other greetings like 'hello' or 'hey'. |
| Usage notes | Used among friends or acquaintances in casual settings; not appropriate for formal occasions. | Typically used among friends or in casual settings. Not suitable for formal occasions or with people you don't know well. |
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Frequently asked questions: What up vs Yo
What's the difference between What up and Yo?
What up: A casual greeting or question asking how someone is doing. Yo: A casual greeting or way to get someone's attention.
Can you show an example of each?
What up: When I saw my friend, I said, 'What up!' Yo: Yo, are you coming to the party tonight?
Can I use What up and Yo interchangeably?
Not always. What up and Yo 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.