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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

fast up

Grammar usage guide and real-world examples

USAGE SUMMARY

"fast up" is not a correct or usable phrase in written English.
You may be thinking of "pick up the pace" or "speed up," which are phrases used to mean go faster. For example, "We need to fast up our work if we want to finish in time."

⚠ May contain grammatical issues

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

43 human-written examples

The online business is growing fast, up 60% in the past year.

In his ensembles he contrasts slow with fast, up with down, pulse with flow, stillness with motion, impulse with resistance.

"After five years, eBooks is a multi-billion-dollar category for us and growing fast – up approximately 70% last year.

News & Media

TechCrunch

This makes the ReadyNas super fast; up to three times faster than other storage devices, says Netgear.

News & Media

TechCrunch

In this age of exploding wealth, the number of captive trust outfits is over 50 and growing fast — up from perhaps a dozen only eight years ago.

News & Media

Forbes

It is concluded that the detectors with lanthanum cerium hexaboride sensors can be very fast: up to 100 MHz counting rates for UV photons.

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

15 human-written examples

BEST: Fast, up-to-the-minute market coverage and lots of embedded links.

News & Media

Forbes

MaERFB2- 2 showed fast up-regulation in roots after 1 h of flooding.

N. nasutus females produced fast up-down sweeps like a spiral spring with a vibrato sound on first two notes.

Methods will vary from person to person but on the day of your appointment psyche yourself up, listen to fast up-tempo music, get excited, chant something reassuring, pray, whatever helps you overcome nerves.

We denote the fast version of UP-FNNLM as fast-UP-FNNLM in Table 2.

Show more...

Expert writing Tips

Best practice

Avoid using "fast up" unless it is part of a specific compound verb or idiomatic expression. Consider using more common and grammatically correct alternatives like "speed up" or "hurry up" depending on the intended meaning.

Common error

Do not use "fast up" as a standalone directive to increase speed or tempo. Instead, use clearer alternatives like "speed up" or "accelerate". For example, instead of saying "Fast up the process", say "Speed up the process".

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

2.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "fast up" functions primarily as a phrasal verb or an adverbial modifier within a sentence, often indicating the direction and speed of an action. However, Ludwig AI flags it as potentially incorrect, suggesting caution in its usage.

Expression frequency: Common

Frequent in

News & Media

40%

Science

33%

Wiki

27%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, while the phrase "fast up" appears in various contexts, particularly in News & Media and Science, it is often flagged as grammatically questionable. Ludwig AI recommends using clearer and more standard alternatives such as "speed up", "hurry up", or "accelerate" to convey the intended meaning of increasing speed or intensity. Therefore, exercise caution when using "fast up" and consider whether a more conventional phrase would improve clarity and correctness. The phrase is more informal than formal.

FAQs

What does "fast up" mean?

While not a standard English phrase, "fast up" sometimes appears in contexts suggesting an increase in speed or intensity. It is often better to use alternatives like "speed up" or "hurry up" for clarity.

What can I say instead of "fast up"?

Depending on the context, you can use alternatives like "speed up", "accelerate", or "pick up the pace".

Is "fast up" grammatically correct?

According to Ludwig AI, "fast up" is not a standard or correct phrase in written English. It's advisable to use more established phrases such as "speed up" or "hurry up".

How can I use "speed up" instead of "fast up" in a sentence?

Instead of saying "We need to fast up our work", you can say "We need to "speed up" our work if we want to finish in time".

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

82%

Authority and reliability

2.5/5

Expert rating

Real-world application tested

Most frequent sentences: