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 upon entry
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "immediately upon entry" is correct and usable in written English.
It can be used to indicate that something happens right at the moment of entering a place or situation. Example: "You will receive a welcome packet immediately upon entry to the conference."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
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
5 human-written examples
The view, though magnificent, wasn't apparent immediately upon entry.
News & Media
The fuel was observed to ignite and burn often almost immediately upon entry into the freeboard area, as has been reported elsewhere during co-combustion with coal and paper, plastic waste [6].
Science
More on this June 30 date in a bit. 3. Surveillance and control over Iraqi airspace shall transfer to Iraqi authority immediately upon entry into force of this Agreement.
News & Media
Next, it is possible that individuals may be prescribed AP drugs immediately upon entry to the facility, meaning they could be counted as continuous rather than new users.
Science
The timing of meiotic silencing in birds differs from that of meiotic silencing in mammals: Whereas the GRC and W are inactivated immediately upon entry into meiotic prophase, MSUC and MSCI in mammals is initiated at the zygotene/pachytene transition, strictly correlating with the timing of an unsynapsed configuration.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Finally, EMA strengthens the security of sensitive or stigmatizing information, allowing information to be vacated from the device immediately upon data entry for storage on a remote server, increasing participant valued privacy [ 20].
Not saying "bonjour" immediately upon entering a place of business.
Wiki
Indeed, several sRNAs are upregulated immediately before or upon entry of bacteria into stationary phase [37], [38].
Science
In contrast, Per1−/−/Per2−/− double knockouts (PERDKO) immediately become arrhythmic upon entry into constant darkness and completely lose daily rhythms of not only locomotor activity but also clock-controlled gene expression [36].
Science
Both Scc1 and Scc2 associated with centromeres immediately upon cell-cycle entry.
Science
meant that each character was instantly recognizable upon entry.
Encyclopedias
Expert writing Tips
Best practice
Use "immediately upon entry" to clearly indicate that something happens without any delay after someone or something enters a specific place, system, or situation. This phrase is useful in instructions, protocols, and descriptive contexts where timing is crucial.
Common error
Avoid using "immediately upon entry" in very informal conversations. While grammatically sound, its somewhat formal tone might sound stilted in casual settings. Opt for simpler alternatives like "as soon as you get in" or "right when you enter" in such situations.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "immediately upon entry" functions as a prepositional phrase modifying a verb or clause, indicating when an action takes place. Ludwig AI confirms its correct usage in various contexts.
Frequent in
Science
40%
News & Media
40%
Encyclopedias
10%
Less common in
Wiki
10%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "immediately upon entry" is a grammatically correct prepositional phrase used to indicate that something happens without delay once someone or something enters a specific context. Ludwig AI analysis of multiple sources confirms its valid usage, although its frequency is relatively rare. While versatile, it leans towards a neutral to formal register, making it suitable for professional, scientific, or news contexts. When choosing alternatives, consider the level of formality required, and opt for simpler phrasing in casual conversations. Avoid using "immediately upon entry" in very informal contexts, and make sure that it is not used when it can be confused in place of similar words.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
right after entering
Emphasizes the temporal proximity of the event following the action of entering.
as soon as you enter
Highlights the lack of delay between the entry and the subsequent event.
instantaneously upon entrance
Replaces 'immediately' with 'instantaneously' and 'entry' with 'entrance' for a more formal tone.
directly following entrance
Uses 'directly following' to convey the immediate sequence of events after the entrance.
at the moment of entry
Focuses on the precise timing coinciding with the act of entering.
on entering, instantly
Inverts the structure and uses 'instantly' to stress the promptness.
upon crossing the threshold
Employs a more metaphorical term 'crossing the threshold' for entering a space.
the instant of arrival
Shifts the focus to arrival rather than entry, implying a similar immediacy.
just after arrival
Similar to "as soon as you enter" but replaces entry with arrival.
right when you get in
A more colloquial way of saying "immediately upon entry"
FAQs
What does "immediately upon entry" mean?
The phrase "immediately upon entry" means that something happens at the exact moment of entering a place or situation, without any delay.
How can I use "immediately upon entry" in a sentence?
You can use "immediately upon entry" to describe something that occurs right when someone enters a place. For example: "The alarm sounds immediately upon entry to the restricted area."
Are there more formal alternatives to "immediately upon entry"?
Yes, you can use phrases such as "instantaneously upon entrance" or "directly following entrance" for a more formal tone. You could also use the phrase "directly after entry".
What are some simpler ways to say "immediately upon entry"?
Simpler alternatives include "as soon as you enter", "right after entering", or "just after entry". The best choice depends on the specific context and desired level of formality.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested