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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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knows inside and out

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "knows inside and out" is correct and usable in written English.
It is typically used to describe someone who has a thorough and comprehensive understanding of a subject or topic. Example: "As a seasoned expert in the field, she knows the industry regulations inside and out."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

Sir Andrew drew some lively playing from the orchestra in Strauss's "Rosenkavalier" Suite, music he knows inside and out from his work in the world's great opera houses.

If you're going to play a song that's most likely been number one for 15 weeks and everybody already knows inside and out, why not spice things up a little?

News & Media

Vice

MR: Then, of course, there is the title track of the film Against All Odds, a song that I think everybody knows inside and out.

News & Media

Huffington Post

When we interviewed Mike Gao, we realized that he understands his gear better than any beat maker around because he makes half the applications himself, and whatever he didn't personally create, he knows inside and out.

News & Media

Vice

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

But don't jump so quickly at a position you already know inside and out, said Kelly Studer, a San Francisco-based career coach.

News & Media

BBC

London was suddenly new and exciting again, and the familiar streets I thought I knew inside and out became strange.

News & Media

Vice

In yoga, we talk about "foundational poses," or key asanas to know inside and out and return to regularly -- no matter your level or experience.

News & Media

Huffington Post

This was a constantly surprising account of a score I thought I knew inside and out.

I see it more as vulnerability, the kind of harm we can come to by being seen and known, inside and out.

News & Media

The New Yorker

You can bet that all 75 seconds of this song were known inside and out by early DC bands.

News & Media

Vice

Even if the founder has no background in sales, they should be able to pitch and sell this product that they know inside and out.

News & Media

Huffington Post
Show more...

Expert writing Tips

Best practice

Use "knows inside and out" to emphasize a deep and comprehensive understanding, suggesting expertise and familiarity beyond surface-level knowledge.

Common error

Avoid using "knows inside and out" too frequently in your writing. While effective, overuse can make your writing sound repetitive. Instead, vary your language by using synonyms like "has a thorough understanding of" or "is intimately familiar with".

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

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "knows inside and out" functions as a verb phrase that describes a state of complete and thorough understanding. As Ludwig AI suggests, the phrase indicates that someone possesses detailed knowledge and familiarity with a particular subject, system, or concept. Examples in Ludwig demonstrate its usage across various contexts, from music to professional expertise.

Expression frequency: Uncommon

Frequent in

News & Media

66%

Wiki

23%

Formal & Business

11%

Less common in

Academia

0%

Science

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "knows inside and out" is a common expression used to describe someone who possesses a very thorough and detailed understanding of a subject or topic. Ludwig AI confirms its grammatical correctness and usability in written English. While not overly formal, it is suitable for various contexts, including news, wiki articles, and professional settings. The phrase emphasizes expertise and a deep level of familiarity. To avoid repetition, consider using alternatives such as "is intimately familiar with" or "has a thorough understanding of". Ludwig's examples illustrate the versatility of this phrase across different domains, reinforcing its value in conveying comprehensive knowledge.

FAQs

What does "knows inside and out" mean?

The phrase "knows inside and out" means to have a very thorough and detailed understanding of something. It implies a deep familiarity and expertise.

When is it appropriate to use the phrase "knows inside and out"?

It is appropriate to use "knows inside and out" when you want to emphasize that someone has a complete and comprehensive understanding of a subject, skill, or system. It suggests they are very familiar with all aspects of it.

What are some alternatives to saying "knows inside and out"?

Some alternatives include "is intimately familiar with", "has a thorough understanding of", or "knows like the back of their hand" depending on the context.

Is "knows inside and out" formal or informal?

The phrase "knows inside and out" is generally considered informal, but it can be used in neutral contexts. For more formal writing, consider using phrases like "has a comprehensive grasp of".

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: