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
immediately when
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "immediately when" is correct and usable in written English.
It is generally used to indicate that something happened immediately after another event. For example: "He started to cry immediately when he saw the puppy."
✓ Grammatically correct
News & Media
Science
Wiki
Formal & Business
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
"They usually disengage immediately when we attack.
News & Media
"Immediately when they left, the policemen started coming.
News & Media
Wash your hands immediately when you enter the house.
News & Media
But he saw it immediately when he returned.
News & Media
Encke quickened immediately when Barzalona asked him to go.
News & Media
'I recognised her style immediately when I saw the manuscript.
News & Media
And they understand immediately when walking through a slightly darkened lobby, he said.
News & Media
She got what she wanted and knew immediately when she had the picture she needed.
News & Media
"I feel differently immediately when I start to put weight on," he says.
News & Media
Weighed immediately when unloaded, taken down on a non-stop elevator, etc.
News & Media
You notice the nice atmosphere immediately when you enter".
Science & Research
Expert writing Tips
Best practice
Use "immediately when" to clearly indicate that one event directly follows another, emphasizing the temporal relationship. For example: "Clean footwear "immediately when" it gets dirty."
Common error
While grammatically correct, "immediately when" can sound somewhat informal in academic or professional contexts. Consider using synonyms like "as soon as" or "upon" for a more polished tone.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "immediately when" functions as an adverbial clause of time, modifying the main clause by specifying when an action or event occurs. It introduces a dependent clause that provides a temporal context for the action described in the independent clause. As Ludwig AI confirms, the usage is correct and indicates immediacy.
Frequent in
News & Media
34%
Science
33%
Wiki
24%
Less common in
Formal & Business
5%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "immediately when" is a grammatically sound and frequently used phrase that serves as an adverbial clause of time. It is used to connect two events in a sentence, indicating that one happens directly after the other. Ludwig AI confirms its correct usage. While generally neutral in tone, consider more formal alternatives like "as soon as" or "upon" in academic or professional contexts. It is mostly found in "News & Media", "Science", and "Wiki" sources. By understanding its function and purpose, you can use "immediately when" effectively in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as soon as
This is a common synonym that emphasizes the temporal proximity of the two events.
right after
This phrase maintains the immediacy but uses a simpler prepositional structure.
the instant that
This alternative emphasizes the speed and lack of delay between events.
the moment that
Similar to 'the instant that', but slightly less emphatic.
upon
A more formal and concise way to express the same idea.
directly following
This phrase offers a more formal and descriptive alternative.
on the heels of
This idiomatic expression suggests that the second event closely follows the first.
without delay after
This phrase highlights the lack of any pause between the two events.
in short order when
This less common phrase suggests that the second event happened very quickly after the first.
in a timely manner when
Focuses on the promptness of the response to an action or situation, highlighting efficiency and quick action.
FAQs
How can I use "immediately when" in a sentence?
Use "immediately when" to connect two events, indicating that the second event happens right after the first. For instance, "Elephants run a mile "immediately when" a drone comes near."
What's a synonym for "immediately when"?
You can use phrases like "as soon as", "right after", or "upon" as alternatives to "immediately when", depending on the context and desired formality.
Is it always necessary to use "immediately when", or are there times it's better to rephrase?
While grammatically sound, "immediately when" can sometimes sound redundant. If the immediacy is already clear, consider simplifying the sentence. For example, instead of "They refuse to fight "immediately when" we attack", you could say "They refuse to fight during our attacks".
How does the tone of "immediately when" differ from other similar phrases?
"Immediately when" is generally neutral in tone. Phrases like "the instant that" are more emphatic, while "upon" is more formal. Choose the phrase that best suits the overall tone of your writing.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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
4.5/5
Expert rating
Real-world application tested