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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
what s up
Grammar usage guide and real-world examplesUSAGE SUMMARY
✓ Grammatically correct
News & Media
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
Ask me to tell you what' s up and then listen with an open mind was more likely among participants with severe depression (91%) or moderate depression (91%) compared with those with mild depression (69%) or moderately severe depression (71%) (χ=13.8, p<0.01).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
What's up, kid?
News & Media
What's up, Rory.
News & Media
"What's up Harold?
News & Media
What's up, son?
News & Media
What's up, gangstas?
News & Media
What's up with that?
News & Media
What's up with Estonia?
News & Media
Driver's ed? What's up?
News & Media
So what's up with Mr. Rove?
News & Media
TED NUGENT What's up, Mitt!
News & Media
Expert writing Tips
Best practice
Use "what s up" in informal settings with people you know well. Avoid using it in formal or professional communication.
Common error
Avoid using "what s up" in business emails or formal presentations. Opt for more professional greetings like "how are you" or "good morning".
Source & Trust
92%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "what s up" primarily functions as an interjection and greeting. It is used to initiate conversations and inquire about the other person's well-being or current activities, as seen in Ludwig's examples.
Frequent in
News & Media
60%
Science
20%
Formal & Business
10%
Less common in
Encyclopedias
3%
Wiki
4%
Reference
3%
Ludwig's WRAP-UP
The phrase "what s up" is a common and informal greeting, primarily used to initiate conversation or inquire about someone's well-being. While grammatically correct and frequently used, it's best suited for informal contexts, such as conversations with friends and family. Ludwig AI confirms its widespread usage, with examples from reputable sources like The New York Times and The Guardian. However, it is not appropriate for professional or academic environments, where more formal greetings are preferred. Alternatives include "how are you?" or "what's going on", depending on the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
how's it going
Similar in tone and usage but with a slightly different phrasing.
what's going on
Focuses more on ongoing events or situations.
what's happening
Emphasizes current events or situations.
how are you doing
A more formal and polite inquiry about well-being.
what's new
Specifically asks about recent updates or happenings.
what are you up to
Asks about current activities or plans.
how's everything
Broader inquiry about all aspects of someone's life or situation.
how have you been
Focuses on the recent past and overall well-being.
what's the matter
Used when sensing something might be wrong.
anything exciting going on
Looking for positive or interesting updates.
FAQs
How do I respond when someone asks "what s up"?
You can respond with what you're currently doing, if anything new is happening, or simply "nothing much". It depends on your relationship with the person asking.
Is "what s up" appropriate in a professional setting?
Generally, no. It's best to use more formal greetings like "how are you?" or "good morning/afternoon" in professional environments.
What can I say instead of "what s up" in a formal context?
Consider using alternatives such as "how are you", "how are you doing", or "good morning" depending on the situation.
Is there a difference between "what s up" and "what's going on"?
"What s up" is usually a general greeting, while "what's going on" often implies an inquiry about a specific situation or event.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
92%
Authority and reliability
4.4/5
Expert rating
Real-world application tested