Used and loved by millions
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
hello
Grammar usage guide and real-world examplesUSAGE SUMMARY
'hello' is a perfectly correct and usable word in written English.
It's a very versatile word that can be used as a greeting, a way to get someone's attention, or an expression of surprise or disbelief. Example: "Hello? Is anyone there?".
✓ Grammatically correct
News & Media
Travel
Film
Alternative expressions(20)
hi
hey
greetings
howdy
good day
good morning
good evening
how do you do
welcome
Best wishes to your family
we offer our heartfelt thanks
we appreciate your tax
happy to have you
greeting
thank you for your revision
we appreciate
we value your being here
thank you for your article
we appreciate your patience
thank you for attending
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
60 human-written examples
Yet as the US president admitted after delivering the greeting "Hello Berlin!" – which despite its lack of oratory prowess drew huge cheers from the Berlin crowds at the Brandenburg Gate on Wednesday – times have changed.
News & Media
I waved a cheery hello to a man who looked suspiciously like Tony Bennett and stumbled out into the humid Manhattan night, wondering how the hell I was going to find the 7 subway back to Queens.
News & Media
As you walk towards your pitch, fellow campers greet you, usually with a cheery wave and a hearty hello.
News & Media
Time to say a big hello to Cornellà-El Prat: a proper football stadium, steep stands up against the pitch, decked in blue and white.
News & Media
Hello, Body Rock.
News & Media
Me: [knock, knock] Hello.
News & Media
Then a young voice pipes up: "Hello!
News & Media
In France, a new bestseller called Bonjour paresse ("Hello laziness") provides one response: keep activity to a minimum and lie low.
News & Media
Instead, its main effect is to provide a "golden hello" for the rich and mobile, who can live in Britain without coughing up much to the exchequer at least, relative to their means.
News & Media
Yes, you can write a five-line "hello world" program and be reasonably confident it contains no errors.
News & Media
One never sees him sharing a canape and a joke with Christopher Biggins in Hello!, or even falling out of nightclubs with Ewan McGregor.
News & Media
Expert writing Tips
Best practice
Use "hello" at the beginning of a conversation, whether in person or on the phone, to establish contact and signal your presence.
Common error
Avoid starting every sentence or paragraph with "hello" in written communication; it can sound repetitive. Vary your openings with different greetings or transition phrases.
Source & Trust
93%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "hello" is as an interjection, used to express a greeting or to initiate a conversation. Ludwig provides examples where "hello" serves this exact purpose, such as greeting someone or answering a phone.
Frequent in
News & Media
70%
Travel
15%
Film
10%
Less common in
Formal & Business
2%
Science
1%
Social Media
2%
Ludwig's WRAP-UP
In summary, "hello" functions primarily as an interjection used to greet or acknowledge someone, as evidenced by the examples provided by Ludwig. Its register is generally neutral, making it suitable for a wide range of situations. The frequency of its use, as determined by the examples, is very common, particularly in News & Media sources. As Ludwig AI confirms, "hello" is a grammatically correct and versatile word in written English, suitable for various purposes, from initiating conversations to expressing surprise.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
hallo
An archaic variant of hello.
hi
A shorter, more informal greeting.
hey
A casual greeting, slightly more informal than "hi".
howdy
An informal greeting, particularly common in the US.
greetings
A more formal way to acknowledge someone.
good day
A polite, time-specific greeting.
good morning
A greeting specific to the morning.
good evening
A greeting used in the evening.
how do you do
A formal greeting, often used when meeting someone for the first time.
welcome
A greeting that also expresses pleasure at someone's arrival.
FAQs
How to use "hello" in a sentence?
"Hello" is versatile. You can use it as a simple greeting, like "Hello, how are you?", or when answering the phone. It can also express surprise, as in "Hello, what's this?".
What can I say instead of "hello"?
Which is correct, "hello" or "hallo"?
Both "hello" and "hallo" are correct, but "hello" is the more common and contemporary spelling. "Hallo" is considered archaic.
When is it inappropriate to say "hello"?
Saying "hello" is generally appropriate, but avoid it in situations where silence or a more formal greeting is expected, such as during a serious ceremony or when addressing someone of very high rank for the first time.
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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
93%
Authority and reliability
4.8/5
Expert rating
Real-world application tested