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
catch on fast
Grammar usage guide and real-world examplesUSAGE SUMMARY
"catch on fast" is correct and usable in written English.
You can use this phrase to describe a situation in which someone or something learned or understood something very quickly. For example: "John is a quick learner; he caught on to the new software fast."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
picks up swiftly
grasp quickly
learn rapidly
Grasp quickly
Learn rapidly
Quickly understand
Get up to speed rapidly
Pick up swiftly
Get the hang of it rapidly
take on fast
catch on quick
caught on fast
shooting on fast
play on fast
catch on strong
taking on fast
catch on faster
catch on quickly
find out very quickly
picked it up quickly
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 great jazz musicians reinvent the language, while the good ones catch on fast, but either way, the idea is to work together and create a synergy - to cooperate, not to compete for stardom.
News & Media
And you have to catch on fast, and it's subtle.
Academia
And many older and mid-generation baby boomers have slim personal savings because they failed to catch on fast enough to the 401(k) defined-contribution plans their employers introduced in the early 1980s.
News & Media
They are ignoring just as the Census Bureau is ignoring the powerful possibility that the correlation exists mainly because smart people tend to want more education, and smart people are what employers keep looking for: workers who catch on fast, are easy to train, and don't screw up.
News & Media
21. "Microcomputers Catch on Fast," Business Week, 12 July 1976, p. 50.
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Mr. Leong, 45, said that teaching teachers is easier because they catch on faster than teenagers and usually laugh at his jokes.
News & Media
The use of intelligent transportation systems would catch on faster if auto makers built transponders into the cars they sold, Mr. Armstrong said, but that won't happen until a standard is established and the automakers discern consumer demand.
News & Media
PRTM estimates that by 2020, these cars will only account for 10percentt of new vehicle sales, an estimate that assumes they will catch on faster than hybrid vehicles have.
News & Media
"Most managers want their products to catch on faster, but our analysis suggests that this might not always be the best strategy," says Berger.
News & Media
At one point, someone started shouting, "Your neighbour, he is a criminal!" Which caught on fast, before morphing into: "Your neighbour, he is a murderer!" An hour or so later, I made my way back to One Hyde Park where I tried to take a photo of the crowd.
News & Media
They caught on fast.
News & Media
Expert writing Tips
Best practice
When using "catch on fast", consider the context. It's suitable for informal and neutral situations but might be less appropriate for highly formal or technical writing. In those cases, opt for a synonym like "quickly understand" or "rapidly assimilate".
Common error
Avoid using "catch on fast" in formal reports or academic papers. While grammatically correct, it leans towards colloquial speech. Instead, use more formal alternatives like "quickly comprehend" or "efficiently grasp" to maintain a professional tone.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "catch on fast" is as a verb phrase, functioning as the predicate of a sentence or clause. It describes the action of understanding or learning something rapidly. Ludwig AI confirms its correctness and usability.
Frequent in
News & Media
60%
Academia
20%
Wiki
10%
Less common in
Formal & Business
5%
Science
5%
Reference
0%
Ludwig's WRAP-UP
The phrase "catch on fast" is a versatile verb phrase used to describe the rapid understanding or learning of something. As highlighted by Ludwig AI, it's considered grammatically correct and usable in various contexts. While generally appropriate for neutral and informal communication, using synonyms like "quickly understand" or "rapidly assimilate" is advisable for more formal settings. Analyzing its usage patterns reveals its prevalence in news and media, with less frequent appearances in formal business or scientific contexts. Remember that while "catch on fast" effectively communicates speed and efficiency in learning, context dictates the best choice of words.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Grasp quickly
Emphasizes the act of seizing understanding without delay.
Learn rapidly
Highlights the swiftness of the learning process.
Quickly understand
Focuses on the speed of comprehension rather than the learning process.
Get up to speed rapidly
Highlights the act of quickly reaching the required level of knowledge or performance.
Pick up swiftly
Similar to learning, but implies a more informal and effortless acquisition of knowledge.
Get the hang of it rapidly
An idiomatic alternative that stresses becoming comfortable and competent with something new.
Become adept quickly
Highlights becoming skilled or proficient in a short amount of time.
Assimilate quickly
Focuses on the rapid absorption and integration of information.
Become familiar quickly
Focuses on the rapid development of understanding and comfort with a subject.
Take on fast
Emphasizes a rapid adoption or assumption of something new, like a task or a concept.
FAQs
What does "catch on fast" mean?
The phrase "catch on fast" means to understand or learn something quickly.
How can I use "catch on fast" in a sentence?
Example: "She's very intelligent and "learns rapidly", she "picks up swiftly" new concepts."
Which is correct, "catch on fast" or "catch on quickly"?
Both "catch on fast" and "catch on quickly" are correct, but "catch on fast" might be perceived as slightly more informal.
What can I say instead of "catch on fast"?
You can use alternatives like "quickly understand", "grasp quickly", or "learn rapidly" depending on the context.
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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
4.5/5
Expert rating
Real-world application tested