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

au fait with

Grammar usage guide and real-world examples

USAGE SUMMARY

"au fait with" is correct and usable in written English.
It is an expression which means "familiar or knowledgeable about." For example: "She was au fait with all the changes to the company policy."

✓ Grammatically correct

News & Media

Formal & Business

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Graduates are very au fait with answering competency-based questions.

News & Media

The Guardian

(Which makes you sound totally au fait with French discourses on art and representation).

News & Media

The Guardian

THE EYEBALL GUY!" shouts one onlooker, au fait with the festival mascot from years previous.

"The detail of what happened last week, I'm not too au fait with.

I am not au fait with drugs and drink only on social occasions.

Yet he was also au fait with French impressionism and friends with Monet.

News & Media

The Guardian

They are au fait with psychology, television, "cosmic atoms" and rejuvenating hormones.

News & Media

Independent

Those not au fait with frog noises or howling are challenged to push their boundaries.

News & Media

The Guardian

Wallace only loves cheese because I wasn't au fait with scriptwriting as a student.

"Is that all you do?" she inquires repeatedly, like a mum not au fait with nightlife.

Every one who wants to stay au fait with the news, listens to Today.

News & Media

The Guardian
Show more...

Expert writing Tips

Best practice

Use "au fait with" to indicate a strong familiarity or understanding, especially when the subject matter is technical or specialized.

Common error

Avoid using "au fait with" in extremely informal contexts; while generally acceptable, simpler alternatives like "familiar with" might be more appropriate for casual conversations.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

89%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "au fait with" functions as an adjective phrase, typically modifying a noun or pronoun to indicate familiarity or knowledge. As Ludwig AI confirms, it is correct and usable in written English. For example, "Graduates are very "au fait with" answering competency-based questions."

Expression frequency: Very common

Frequent in

News & Media

66%

Formal & Business

17%

Science

17%

Less common in

Science

0%

Formal & Business

0%

News & Media

0%

Ludwig's WRAP-UP

In summary, "au fait with" is a correct and commonly used phrase to indicate familiarity or knowledge about something, as confirmed by Ludwig AI. While generally acceptable in most contexts, it is best suited for neutral to professional settings. The phrase is most frequently found in news and media sources, demonstrating its widespread use in contemporary writing. When aiming for a more casual tone, consider using alternatives like "familiar with" or "knowledgeable about". By understanding its nuances and appropriate contexts, you can confidently incorporate "au fait with" into your writing.

FAQs

What does "au fait with" mean?

The expression "au fait with" means to be familiar with or knowledgeable about something. It implies a good understanding or awareness of a particular subject or situation.

How can I use "au fait with" in a sentence?

You can use "au fait with" to describe someone's familiarity with a topic. For example: "She is "familiar with" all the latest marketing trends" or "He is "knowledgeable about" the company's new policies".

Are there any synonyms for "au fait with"?

Yes, there are several synonyms you can use instead of "au fait with", depending on the context. Some alternatives include "familiar with", "knowledgeable about", "acquainted with", and "informed about".

Is "au fait with" formal or informal?

"Au fait with" is generally considered neutral in formality. While it can be used in professional and academic contexts, it's also common in general news and media. Consider your audience and choose alternatives if a more casual tone is needed.

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

89%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: