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

just plain insane

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "just plain insane" is correct and usable in written English.
It can be used to emphasize that something is completely irrational or absurd. Example: "The idea that we could finish the project in one day is just plain insane."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

5 human-written examples

There's a fine line between brilliance and ridiculousness in funk, and this audiovisual auteur toed it to the inch with the insanely catchy and just plain insane likes of Chainsaw and The Thistle (his stunts included hanging off the front of a moving steam train).

But, also, possibly, just plain insane.

News & Media

The New York Times

I don't have go into the very, very long list of the racist, misogynistic, and just plain insane positions he espouses.

News & Media

Huffington Post

Anyone who is dedicated, gifted and just plain insane enough to become a professional athlete could be an example of a great player of the "game of life," regardless of whether marijuana is a part of that life.

News & Media

Huffington Post

Don't be sticky, kooky or just plain insane.

Human-verified similar examples from authoritative sources

Similar Expressions

55 human-written examples

Are you insane, stupid or just plain evil?")But the book also takes swipes at elitists on the left, nagging the poor to eat organic kale like temperance activists scolding drunks in a Victorian slum.

News & Media

The Economist

When a party is said to be "retarded?" That party is understood to be insane, stupid or just plain ridiculous.

News & Media

Huffington Post

Given the average net income in the States is around $28,000 according to recent US Census data, and $57,000 in Australia according to ABS data, what we spend on weddings is not only insane, it is just plain bad economics.

News & Media

Huffington Post

Unfortunately, despite the new architecture and insane transistor count (the 8-core 8150 has around 2 billion), performance and efficiency per core just plain isn't that good.

News & Media

TechCrunch

Just plain weird.

News & Media

The New York Times

Or just plain stupid.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Consider the audience when using this phrase; while generally acceptable, it may not be suitable for highly formal or professional contexts.

Common error

Avoid using "just plain insane" too frequently in your writing, as it can lose its impact and make your tone seem overly dramatic or unprofessional. Opt for more nuanced vocabulary to convey specific degrees of irrationality or absurdity.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

85%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "just plain insane" functions as an adjectival phrase modifying a noun or pronoun, expressing a high degree of irrationality or absurdity. As Ludwig AI confirms, it is grammatically correct. Examples show its use to describe ideas or actions deemed unreasonable.

Expression frequency: Rare

Frequent in

News & Media

60%

Wiki

20%

Science

20%

Less common in

Formal & Business

0%

Reference

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "just plain insane" is used to describe something considered completely irrational or absurd, confirmed by Ludwig AI as grammatically sound. Although its usage is more common in news and media, it maintains a neutral-to-informal register, making it acceptable in various contexts while being less suitable for highly formal writing. Consider replacing it with alternatives like "utterly mad" or "completely ludicrous" depending on the specific nuance you intend to express. Be mindful of overuse to maintain writing impact and clarity.

FAQs

How can I use "just plain insane" in a sentence?

You can use "just plain insane" to describe something that is completely irrational or absurd. For example: "The idea that we could finish the project in one day is "just plain insane"."

What are some alternatives to "just plain insane"?

Some alternatives to "just plain insane" include "utterly mad", "completely ludicrous", or "totally irrational". The best choice depends on the specific context and nuance you want to convey.

Is "just plain insane" appropriate for formal writing?

While "just plain insane" is grammatically correct, it is relatively informal. For formal writing, consider using more professional alternatives like "utterly irrational" or "completely absurd".

What's the difference between "just plain insane" and "downright crazy"?

"Just plain insane" and "downright crazy" are quite similar, but "just plain insane" might suggest a slightly more reasoned assessment of something as absurd, while "downright crazy" conveys a stronger sense of wildness or unpredictability.

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

85%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Most frequent sentences: