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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
catch upon
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "catch upon" is not correct in standard written English.
It seems to be a confusion with the phrase "catch up on," which is commonly used. Example: "I need to catch up on my reading this weekend."
⚠ May contain grammatical issues
News & Media
Wiki
Science
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
1 human-written examples
This plan, devised by corporate finance consultants at Portman Capital Partners, would give away free shares with a catch: upon selling the shares, owners would have to pay a pre-determined "floor price" to Treasury (e.g., at the breakeven point of 51p and 74p).
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
But he was caught upon his return to Britain in 1968.
News & Media
One Chinese swimmer, Yuan Yuan, did not even make it into the competition because she was caught upon arrival at Sydney airport with 13 vials of human growth hormone in her luggage.In this section In the hands of the militia Mahathir's last waltz?
News & Media
In her blog post, Elisa Guerra (@ElisaGuerraCruz) highlights the real difficultly of solving the problem: "Even good teachers are frequently caught upon stereotypes.
News & Media
Now burst out with speed before the defender catches upon you again.
Wiki
About a hundred tons of dust- and sand-size space rock bombards our atmosphere daily, and bolides — NEOs that catch fire upon entering the atmosphere — have been implicated in everything from the Chicago Fire of 1871 to the wrathful "brimstone and fire" visited upon Sodom and Gomorrah.
News & Media
About a hundred tons of dust- and sand-size space rock bombards our atmosphere daily, and bolides NEOs that catch fire upon entering the atmosphere have been implicated in everything from the Chicago Fire of 1871 to the wrathful "brimstone and fire" visited upon Sodom and Gomorrah.
News & Media
Feel and touch and pressure are constants throughout this selection, whether it's the longing of a hawk for "the feel... / Of catcher and of caught / Upon your wrist"; the swimmer who remembers "the pull and risk / Of the Pacific's touch... Its cold live sinews tugging at each limb"; or simply the "secure firm dry embrace" of longtime domestic affection.
News & Media
Hunters caught preying upon pregnant animals were strangled to death with their own hair.
News & Media
This is because these hawks, which are five times larger than Mexican jays, swoop down from the treetops to catch and feast upon them.
News & Media
In contrast, members of scientific expeditions have spent whole winters in the Arctic or Antarctic without any respiratory illness, only to catch severe colds upon the arrival of a supply ship in the early summer.
Encyclopedias
Expert writing Tips
Best practice
Instead of "catch upon", use the common phrasal verb "catch up on" when you want to express the idea of becoming up-to-date with something. For example, "I need to catch up on the latest news".
Common error
Avoid using "upon" after "catch" when the intended meaning is to get up to date. Using "catch upon" instead of "catch up on" can confuse readers, as it is not a standard English construction.
Source & Trust
87%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "catch upon" is generally considered grammatically incorrect. Based on Ludwig AI, it is a non-standard construction. The intended function is often to express becoming up-to-date or informed, but it fails to achieve this effectively due to its incorrect usage.
Frequent in
News & Media
33%
Wiki
33%
Science
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "catch upon" is generally regarded as grammatically incorrect in modern English. Ludwig AI confirms this assessment. While it appears in various sources, including news and media, wiki entries, and scientific documents, its usage is infrequent and non-standard. To convey the intended meaning of getting up to date or becoming aware, it is best to use alternatives such as ""catch up on"", "get up to speed on", or "become aware of". Paying attention to preposition usage can prevent misunderstandings and improve clarity in writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
catch up on
This is a common and grammatically correct phrasal verb that means to reach the same level or standard as someone who is ahead.
get up to speed on
This phrase means to become fully informed about something.
keep abreast of
This means to stay up-to-date with the latest news or developments.
become aware of
This phrase signifies gaining knowledge or realization of something.
find out about
This means to discover or learn information about something.
learn about
This refers to gaining knowledge or understanding of a subject.
discover
This implies finding something unexpectedly or while searching.
encounter
This means to meet someone or something unexpectedly.
stumble upon
This phrase means to find something by chance without looking for it.
come across
This signifies finding something or someone unexpectedly.
FAQs
What does "catch up on" mean?
To "catch up on" means to devote time to something one has neglected or fallen behind on, like "I need to "catch up on" my sleep" or ""catch up on" the news".
What can I say instead of "catch upon"?
Since "catch upon" is not standard English, you can use alternatives like ""catch up on"", "get up to speed on", or "become aware of depending on the context".
Is "catch upon" grammatically correct?
No, "catch upon" is generally considered grammatically incorrect in modern English. The correct form is usually ""catch up on"" or other similar phrases.
How can I avoid using "catch upon" incorrectly?
To avoid using "catch upon" incorrectly, remember that the standard English phrasal verb is ""catch up on"" when you mean to get up to date with something. Double-check your sentences to ensure you're using the correct preposition.
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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
87%
Authority and reliability
2.2/5
Expert rating
Real-world application tested