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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
hi all
Grammar usage guide and real-world examplesUSAGE SUMMARY
"Hi all" is correct and usable in written English.
It is commonly used to address a group of people, either formally or informally. For example: Hi all, I hope you're all doing well. I wanted to take a moment to thank you all for your hard work on this project.
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
distinguished colleagues
highly regarded colleagues
darlings colleagues
dear senators
valuable colleagues
dear countrymen
good afternoon colleagues
honourable colleagues
lovely gentlemen
terrific colleagues
beloved colleagues
lovely colleagues
hello friends
hello everyone
hey everyone
esteemed colleagues
dear team
dear comrades
Hello team
greetings all
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
32 human-written examples
Hi all!
News & Media
Photograph: Ian Nicholson/PA 10.01am GMT Hi all.
News & Media
It read: "Hi all you gorgeous ladies, speaking to you from my lovely chemo chair, sucking up the drugs.
News & Media
From: Cody Wilkins [[email protected]] To: Suzy Wilkins [[email protected]] Hi all, First things first, I want to congratulate everyone on an over-all fantastic summer season.
News & Media
2.19pm: Hi all and welcome to the network's live blog of Andrew Lansley's speech at the Nuffield Trust's health policy summit.
News & Media
Hi all, I just wanted to share with you all our just giving page we have set up, we are fundraising for further medical.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
28 human-written examples
HI planned all the research and designed the experiments, and suggested the draft of the paper.
Science
These proteins from hyperthermophiles are more stable than Ec-RNase HI over all the temperature ranges examined.
Science
Don't start emails with "Hi", "Hello", "Dear All", or similar.
News & Media
Hi Doyle, all set for the action?
News & Media
We said "Hi" and all that, and afterwards it was fine between us.
News & Media
Expert writing Tips
Best practice
When using "hi all", ensure your message is concise and clear, as the greeting implies a general communication meant for everyone's attention.
Common error
Avoid using "hi all" in formal business communications or academic papers. Opt for more professional greetings like "hello everyone" or "dear colleagues" to maintain a respectful tone.
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hi all" functions as an informal salutation, primarily used to address a group of people. It is a concise and friendly way to begin a message or communication, setting a casual tone, as evidenced by Ludwig's examples.
Frequent in
News & Media
41%
Science
29%
Wiki
6%
Less common in
Formal & Business
6%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "hi all" is a casual and friendly greeting suitable for informal communication with a group. As Ludwig AI confirms, it's grammatically correct and commonly used. However, avoid using it in formal settings where a more professional tone is required. Alternatives like "hello everyone" or "dear colleagues" are better choices for such contexts. Remember to tailor your greeting to the audience and the context to ensure effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Hi everyone
Very similar in meaning and usage, slightly more formal than "hi all".
Hi everybody
Similar in tone and usage, but uses "everybody" instead of "all".
Hello everyone
More formal and universally acceptable in diverse settings.
Hey folks
Informal and friendly, often used in casual contexts.
Greetings all
Slightly more formal and less common than "hi all".
Hi team
Specific to addressing a team or group working together.
Hey y'all
Informal and regional (Southern US) variation of "hi all".
Hello there
A general greeting, less specific to a group.
Good morning/afternoon/evening, everyone
More formal and time-specific.
Dear colleagues
Formal and suitable for professional communication.
FAQs
When is it appropriate to use "hi all"?
"Hi all" is suitable for informal settings such as emails to colleagues, group chats, or casual announcements. It's a friendly and approachable greeting.
What are some alternatives to "hi all" for a more formal setting?
For more formal settings, consider using alternatives like "hello everyone", "dear colleagues", or "good morning/afternoon/evening everyone".
Is "hi all" grammatically correct?
Yes, "hi all" is grammatically correct in informal contexts. It serves as a shortened, casual greeting to a group of people.
Can I use "hi all" in academic writing?
It's generally not recommended to use "hi all" in academic writing. More formal greetings are preferred in such contexts to maintain a professional tone.
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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
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested