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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
post upon
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "post upon" is not commonly used in written English and may be considered awkward or incorrect.
It could be used in a context where you want to indicate that something is being placed or published on a specific platform or medium, but it is not standard. Example: "Please post upon the community board any announcements you have for the upcoming event."
News & Media
Science
Wiki
Alternative expressions(9)
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
15 human-written examples
(He ascended to the post upon the retirement of Senator Harry Reid, of Nevada).
News & Media
That evening, I logged on to Facebook and saw post upon post of proud and beaming faces of swimming friends who had completed the Jubilee swim – grinning happily with medals round their necks.
News & Media
Kath asks her mum, while the two of them are driving, when she lost her virginity (wow); her grandmother sends her sexual-health advice in the post upon hearing she's sexuality active (I mean, imagine).
News & Media
3. Then search each page of comments by the name under which you posted (for example, EmilyHCHS), or by a string of words you included in your post ("Upon reading this article about the proposed cuts to the Supplemental Nutrition Assistance Program…").
News & Media
"We don't trust you anymore," Moby wrote in a Facebook post upon sharing the video, quoting the song's lyrics.
News & Media
Instead, I found post upon post on blogs and online forums about how it does get easier.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
Hence, the vertical supports, or posts, upon which an arch rests must be massive enough to buttress the thrust and conduct it into the foundation (as in Roman triumphal arches).
Encyclopedias
Under intense machine gun and mortar fire, the landing of Major Max Morrison's "A" Company proceeded well, allowing some to establish a command-post upon reaching the sand dunes.
Wiki
Bush has never held judicial office, and appeared to promise to stop posting upon his confirmation.
News & Media
Members of the Night's Watch are sworn never to desert their posts, upon penalty of death.
Wiki
In addition, syphilis appeared correlated in time and space with other STDs and with presumed sexual promiscuity in a community (e.g, syphilis was frequent in the colonial posts, and absent in the still undisturbed villages around, and its incidence raised in the posts upon arrival of ships, caravans and military contingents [50], [52], [54], [58]).
Science
Expert writing Tips
Best practice
While "post upon" is grammatically correct, consider using "post on" for a more natural and contemporary tone. This applies particularly in online contexts such as social media.
Common error
Avoid using "upon" excessively, as it can make your writing sound overly formal or archaic. In most cases, "on" serves as a more streamlined and suitable preposition.
Source & Trust
84%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "post upon" functions as a prepositional phrase, typically modifying a verb to indicate the location or medium where something is published or displayed. As evidenced by Ludwig's examples, it appears in varied contexts, from news articles to scientific publications.
Frequent in
News & Media
30%
Science
30%
Wiki
15%
Less common in
Formal & Business
10%
Encyclopedias
5%
Social Media
0%
Ludwig's WRAP-UP
In summary, while grammatically sound, the phrase "post upon" is less common than its counterpart "post on" in contemporary English. Ludwig's examples show that it appears across different sources, from news to scientific publications. However, its usage is perceived as somewhat formal, as Ludwig AI explains, making it more suitable for formal writing or when a slightly elevated tone is desired. For most modern contexts, especially online, "post on" is a more appropriate and widely accepted choice. To ensure clarity and relevance, consider using more streamlined alternatives unless aiming for a deliberately formal effect when using the phrase "post upon".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
publish on
Replaces "post" with a more formal synonym and "upon" with a more common preposition.
place on
Uses a more general verb for putting something in a specific location.
affix to
Suggests a more physical and permanent attachment.
put up on
An informal alternative to indicate placement on a surface.
release on
Emphasizes the act of making something publicly available.
build on
Suggests using something as a foundation or basis for further development.
decide on
Indicates making a choice or reaching a conclusion about something.
depend on
Highlights reliance or contingency on a particular factor.
elaborate on
Focuses on providing more detail or expanding upon a topic.
base on
Implies that something is founded or predicated on certain principles or information.
FAQs
What does "post upon" mean?
"Post upon" typically means to publish or display something on a particular platform or surface. However, the phrasing is less common than "post on".
What can I say instead of "post upon"?
More common alternatives include "post on", "publish on", or "place on", depending on the specific context.
Is "post upon" grammatically incorrect?
No, "post upon" is not grammatically incorrect, but it may sound slightly formal or antiquated to modern ears. "Post on" is generally preferred.
When is it appropriate to use "post upon"?
You might use "post upon" in more formal writing where a slightly elevated tone is desired. However, in most contemporary contexts, "post on" is a more suitable choice.
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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
84%
Authority and reliability
3.8/5
Expert rating
Real-world application tested