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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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flat out

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "flat out" is correct and usable in written English.
It is typically used to emphasize that something is done completely or without reservation, often in the context of stating a fact or opinion. Example: "He was flat out wrong about the project's timeline."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

29 human-written examples

Marnie flat out failed.

News & Media

The New Yorker

We're running flat out".

News & Media

The New York Times

That is flat out wrong.

News & Media

The New York Times

Flat out, I don't want to".

News & Media

The New Yorker

Bodies flat out, the jockeys' minds whirr.

News & Media

BBC

("Rockford" was comedy flat out).

News & Media

Los Angeles Times
Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

30 human-written examples

It's flat-out illegal.

News & Media

The New York Times

"Flat-out tough".

But flat-out irresponsible.

News & Media

The New York Times

"They flat-out outplayed us".

They flat-out denied involvement.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "flat out" to add emphasis when you want to express something directly and without hesitation, but be mindful of its informal tone. It's effective in casual conversation or news articles to convey strong feelings or opinions.

Common error

Avoid using "flat out" in highly formal documents or academic papers where a more neutral or precise term like "completely" or "absolutely" would be more appropriate. It can make your writing sound less professional.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "flat out" primarily functions as an adverb, modifying verbs or adjectives to intensify their meaning. As Ludwig AI suggests, it often emphasizes the completeness or directness of an action or state.

Expression frequency: Uncommon

Frequent in

News & Media

82%

Wiki

9%

Formal & Business

4%

Less common in

Academia

2%

Science

2%

Reference

1%

Ludwig's WRAP-UP

In summary, "flat out" is an adverbial phrase used to emphasize that something is done completely, directly, or without reservation. While Ludwig AI confirms its grammatical correctness, it's important to note that its usage is more appropriate in informal or journalistic contexts rather than formal or academic writing. Its communicative purpose is to add emphasis and certainty, making statements more forceful. Common alternatives include "completely", "absolutely", and "totally". The phrase frequently appears in news and media sources, but is far less common in other areas like academic or scientific publications.

FAQs

How can I use "flat out" in a sentence?

You can use "flat out" to emphasize a statement or action. For example, "He was "flat out wrong" about the calculations", or "She "flat out refused" to participate".

What can I say instead of "flat out"?

You can use alternatives like "completely", "absolutely", or "totally" depending on the context. Each alternative provides a slightly different nuance, but all can effectively replace "flat out".

Is "flat out" appropriate for formal writing?

While "flat out" is widely understood, it's generally better suited for informal or journalistic writing. Formal contexts may benefit from using alternatives such as "completely" or "absolutely" for a more professional tone.

What's the difference between "flat out" and "completely"?

"Flat out" carries a more emphatic and sometimes informal tone, while "completely" is more neutral and suitable for a wider range of contexts. "Flat out" also often implies a lack of hesitation or reservation, whereas "completely" simply indicates the totality of something.

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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: