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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
CEO of Professional Science Editing for Scientists @ prosciediting.com
he is stupid
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "he is stupid" is correct and usable in written English.
It can be used to express a negative opinion about someone's intelligence or decision-making abilities. Example: "After seeing his latest mistake, I can't help but think he is stupid for not considering the consequences."
✓ Grammatically correct
News & Media
Wiki
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
12 human-written examples
He is stupid but wily.
News & Media
Even Clinton's critics who feel that he squandered his promise never speculate, as Bush's critics often do, that he is stupid.
News & Media
He is stupid and horrible (or "neither sensible nor agreeable," as Charlotte thinks), but, like Charlotte, he occupies the very lowest rung on the ladder of social respectability.
News & Media
Those who oppose him, in highlighting his really dangerous volatility, might ask when his supporters will see that he is stupid and unfit — and that they, in contrast, are clever and competent — and just stop this crazy Presidency?
News & Media
There is nothing more difficult than teaching a humiliated and enraged student who is convinced by his failure to be promoted that he is stupid and inferior, especially if you surround him with younger kids who can still outstrip him in class.
News & Media
"If we're going to get $50 million to build a new crime lab," she repeats herself, slowly, as if he is stupid, "we have to get attention, show the public, the legislators, we're completely justified in upgrading technology, hiring more scientists, buying more lab equipment, building the biggest DNA database in the country, maybe even in the world.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
47 human-written examples
Is he being stupid or is he dangerous?
Wiki
"He's stupid.
News & Media
He was stupid.
News & Media
Two, he's stupid.
News & Media
She thought, He's stupid.
News & Media
Expert writing Tips
Best practice
Use the phrase "he is stupid" carefully, considering its potential to offend. Opt for more nuanced language to describe someone's actions or decisions rather than directly labeling their intelligence.
Common error
Avoid using the phrase "he is stupid" repeatedly to describe someone. Vary your language to provide a more comprehensive and less judgmental assessment.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "he is stupid" functions primarily as a declarative statement expressing a negative judgment about someone's intelligence. Ludwig's examples show the phrase is used to directly criticize or assess an individual's cognitive abilities.
Frequent in
News & Media
50%
Wiki
25%
Science
25%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "he is stupid" is a grammatically correct but potentially offensive way to express a negative judgment about someone's intelligence. Ludwig AI indicates that it's usable but advises caution due to its harshness. While the phrase appears in News & Media sources, it's generally considered informal and inappropriate for professional or academic settings. Alternatives such as "he lacks intelligence" or "he made a poor decision" are often more suitable for conveying similar sentiments without being overly critical.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
he's unintelligent
Replaces "stupid" with a more clinical and formal term.
he lacks intelligence
Replaces "stupid" with a more formal term for a lack of cognitive ability.
he's dim-witted
Similar to slow-witted, but slightly more informal.
he is slow-witted
Implies a lack of mental quickness and understanding.
he is simple-minded
Indicates a lack of complexity or sophistication in thought.
he is not bright
Uses a euphemism to imply a lack of intelligence.
he is dense
Uses a more informal term to imply a lack of understanding.
he's a fool
Uses a more direct and potentially offensive term.
he's clueless
Suggests a lack of awareness or understanding of a situation.
he's not the sharpest tool in the shed
An idiomatic expression indicating a lack of intelligence.
FAQs
What are some less offensive alternatives to "he is stupid"?
Consider using phrases like "he lacks understanding", "he is unwise", or "he made a poor decision" to convey a similar sentiment without being as harsh.
How can I use "he is stupid" in a sentence without being overly offensive?
It's best to avoid using "he is stupid" directly. Instead, focus on the specific actions or decisions that lead you to that conclusion and describe those instead. For example, "His decision to invest all his savings in that venture was ill-advised" is more constructive.
What is the difference between saying "he is stupid" and "he is ignorant"?
"He is stupid" implies a general lack of intelligence, while "he is ignorant" suggests a lack of knowledge or awareness about a particular subject. Ignorance can be remedied through education, while stupidity is often perceived as an inherent trait.
Is it ever appropriate to say "he is stupid" in a professional setting?
Generally, no. Using the phrase "he is stupid" in a professional environment is highly inappropriate and can be considered unprofessional and disrespectful. Focus on providing constructive criticism about specific behaviors or outcomes instead.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested