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
upon entry
Grammar usage guide and real-world examplesUSAGE SUMMARY
"upon entry" is correct and usable in written English.
You can use it to refer to the point when someone or something first enters a place or begins something. For example, "All students were required to sanitize their hands upon entry to the school building."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
on entering
at the point of entry
immediately after entering
at the time of entry
once inside
at the gateway
at the threshold
at the intake
given the green light
after checked
after characterized
subsequent to confirmation
having assessed
upon acceptance
after chosen
after investigated
upon registration
after a review
after picked
after investigation
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
It looks great," he said upon entry.
News & Media
They will also be vaccinated again upon entry.
News & Media
The view, though magnificent, wasn't apparent immediately upon entry.
News & Media
meant that each character was instantly recognizable upon entry.
Encyclopedias
(Before turnstiles, subway rides required a ticket, which was then chopped, or shredded, upon entry).
News & Media
Restrictions on consumables are fierce: even sweets and chewing gum will be confiscated upon entry.
News & Media
They are selected upon entry if their transcripts and placement exam scores are high enough.
News & Media
Upon entry into the garage each respective user acknowledges these terms of use.
News & Media
Bill Agee, an American who transferred to Almhult five years ago, said he had to adjust upon entry.
News & Media
The ENM are diluted upon entry into the water bodies.
Despite likely productivity advantages, immigrants typically face a wage penalty upon entry to the host country.
Science
Expert writing Tips
Best practice
Use "upon entry" to denote a specific action or condition that occurs immediately when someone or something enters a place or system. For instance, "Upon entry to the lab, all personnel must wear protective gear."
Common error
Avoid using "upon entry" interchangeably with "in entry" or "at entry". "Upon" implies a more formal and immediate sequence than "in" or "at". For example, it's more appropriate to say "The data is validated upon entry" rather than "in entry".
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon entry" functions as a prepositional phrase that modifies a verb or noun, indicating when an action takes place in relation to the act of entering. As seen in Ludwig AI's analysis, it describes an event that occurs immediately at the moment of entry.
Frequent in
Science
44%
News & Media
44%
Formal & Business
4%
Less common in
Encyclopedias
1%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "upon entry" is a prepositional phrase indicating an action or state occurring immediately after entering a place or system. As Ludwig AI suggests, its usage is grammatically correct and frequent across both scientific and news media contexts. While it is deemed more formal, and alternatives like "on entering" exist for less formal settings, "upon entry" precisely conveys immediacy. Consider this analysis when choosing the most appropriate phrasing for your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
on entering
More common phrasing with a slightly less formal tone.
at the point of entry
Emphasizes a specific location or stage.
at the time of entry
Highlights the temporal aspect of the action.
immediately after entering
Specifies the timing more precisely, indicating something happens right after.
following entry
Indicates a sequence of events, action after the moment of access.
once inside
Focuses on the state of being within a place.
after gaining access
Highlights the act of obtaining entry.
at the gateway
Metaphorical expression that highlights the start point.
at the threshold
Highlights the start or the point of entering a place.
at the intake
Refers to being accepted, enrolled, or initiated.
FAQs
How can I use "upon entry" in a sentence?
Use "upon entry" to indicate something that happens immediately after entering a specific place or system. For example, "The system checks for updates "upon entry"".
What are some alternatives to "upon entry"?
You can use alternatives such as "on entering", "at the point of entry", or "immediately after entering", depending on the specific context.
Is "upon entry" formal or informal?
"Upon entry" is generally considered a more formal phrase. In informal contexts, "on entering" might be more appropriate.
What's the difference between "upon entry" and "after entry"?
"Upon entry" suggests an immediate action, while "after entry" implies something that occurs at some point following the act of entering. For instance, "Upon entry, the alarm sounds", versus "After entry, the data is processed".
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested