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signs of intelligence

Albert Einstein writing on a blackboard.

There are some obvious ways to determine if someone is highly intelligent, like when you see them work out a complex trigonometry problem on a blackboard or when they can easily explain the science behind mRNA vaccines or dark matter.

But there are also those we meet at social gatherings who immediately make us think they are very smart. Usually, it isn’t because they are making a long-winded speech about the fall of the Roman Empire or explaining quarks. We know they are intelligent because of the way they interact with people and ideas.

A Redditor named SomethingAbout2020 asked people on the AskReddit forum to share the “non-obvious signs” that people are intelligent. Many of their responses centered on highly intelligent people being open-minded, curious, and not wasting their time arguing with others.

Brilliant people are confident in what they know, consider other people’s opinions, and readily admit when they don’t know the answer.


What are 15 'non-obvious' signs that someone is really smart?

1. They know what they don't know

"They acknowledge areas where they lack knowledge."

"'Never pretend to know something when you don't' is something I always teach. It covers lying and ignorance."

2. They consider other people's ideas

"They’ll listen to the other's facts and points and take them into account when giving an objection."

"One of the best developers at my last job and manager of a project I was at is an extremely intelligent person. ... One thing I noticed is how he would take everyone's opinion into account. He would take my opinions into consideration even if I'm not a smarter person or know less about development."

3. They make you feel smart

"Talking to a dumb person will make you feel smart. Talking to a smart person will make you feel dumb. Talking to a very smart person will make you feel smart."

4. They see patterns

"Part of the reason smart people throughout history are well-known is because they discovered something new and figured out how to maximize its potential. Darwin was a guy who discovered a bunch of islands with slightly different animals. He then collected and analyzed that data to come up with the theory of evolution, which was largely correct. Einstein’s theory of relativity was based off of his observation that physics acted on everything equally. He figured out that “exceptions” were because of the way high-speed objects interact with the universe’s speed limit (the speed of light). He recognized these exceptions by gathering them and recognizing the pattern between them all, then created his theory of relativity based on that."


intelligence, painter, paint brush, mural artists, curiosityA painter making a mural. via Canva/Photos

5. They consider multiple intelligences

"They realize not everyone is smart the same way. Your 'stupid hick neighbor' might have dropped out of school in 8th grade, but he can drive your car once and tell you exactly what's wrong, then fix it. That a**hole in school that had no empathy for anyone and showed no emotion made that sci-fi sh*t you thought would never be real. Yeah, she's dingy and her worldview is tiny, but she's the best teacher you've ever met and inspires tons of kids to go on and do great things with themselves. There's no one-size-fits-all answer here, really."

People who are super bright are probably familiar with Howard Gardner's theory of multiple intelligences. The theory suggests that people have more than just one type of just one type of intelligence, like being good at mathematics. Gardener says there are several, including musical, spatial, linguistic, interpersonal, intrapersonal, and kinesthetic intelligence. This theory allows people to appreciate different forms of intelligence that may not be of the academic variety.

6. They choose their battles

"When another person is not able to process something and, therefore, sticks with his opinion, after a few tries, the smart person just gives up. There is no use in trying to make someone understand something while they already have an uneducated opinion."



7. They speak to their audience

"They know how to explain concepts on just about any level, tailoring that level to their intended audience, and without coming across as condescending in any way."

"I heard a saying that went 'you have to be an expert to explain it simply.'"

8. They're confident in their intelligence

"Not constantly bragging about their intelligence. If they truly are smart, people can figure that out pretty quickly without them doing anything to show it."

"You generally only brag about things you're insecure about because you seek validation. If you are very comfortable with your intelligence, then you may not care if someone misinterprets you and makes you look dumb or something. You have nothing to prove. That's not just for intelligence but for anything."

9. They're funny

"I think the smart people are even more funny than stupid people because smart people understand the complexity behind humor and can make their jokes reflect that."

Scientific studies show that funny people, especially those with a dark sense of humor, are more intelligent than their not-so-funny peers. Researchers argue that it takes cognitive and emotional ability to make people laugh, and analysis shows that funny people have higher verbal and non-verbal intelligence.

laugh, humor, sense of humor, jokes, men in suits, moment of levity, A man laughing at his friend's joke.via Canva/Photos

10. They mind their own business

"This is a big one. They keep to themselves and deal with their own drama."

11. They aren't necessarily great students

"Believe it or not 'average' or 'above average' students are often smarter than those with straight A’s on the report cards. They do enough to pass well and get what they want but don’t let the academic system control them. Life isn’t all about booksmarts. This shows they are independent thinkers and don’t get wrapped up in designed systems. Not all, but many. Many kids who are forced to always be exceptional in school can end up the worst off and can develop deeper issues."

12. They are good listeners

"They actually listen to who they are talking to as opposed to waiting for their turn to talk."

13. Curiosity

"It really does seem to be one of the single greatest differentiators between average and smart."

A meta-analysis of over 50,000 students from around 200 separate studies found that students who are curious do better in their school work over those who are not. Why is curiosity so important when it comes to IQ? “Curiosity is basically a hunger for exploration. If you’re intellectually curious, you’ll go home, you’ll read the books," Dr Sophie von Stumm, the study’s first author, said. "If you’re perceptually curious, you might go traveling to foreign countries and try different foods.”

14. Comfortable in silence

"Being comfortable enough to allow a moment of complete silence while you think when the natural instinct of most is to immediately start replying tells me that you are, at the very least, mindful of what you want to say."

15. Unattached to their opinions

"Most of the smart people I know are not pushy with their opinions; by contrast, most of the opinionated people I know are flaming morons. I don't know if there's a correlation there, but my anecdotal experience has always been that the more eager someone is to state their opinion, the less that opinion is probably worth."

This article originally appeared last year.

Albert Einstein writing on a blackboard.

There are some obvious ways to determine if someone is highly intelligent, like when you see them work out a complex trigonometry problem on a blackboard or when they can easily explain the science behind mRNA vaccines or dark matter.

But there are also those we meet at social gatherings who immediately make us think they are very smart. Usually, it isn’t because they are making a long-winded speech about the fall of the Roman Empire or explaining quarks. We know they are intelligent because of the way they interact with people and ideas.

A Redditor named SomethingAbout2020 asked people on the AskReddit forum to share the “non-obvious signs” that people are intelligent. Many of their responses centered around how highly intelligent people are open-minded, curious and don’t waste their time arguing with others.

Brilliant people are confident in what they know, consider other people’s opinions and readily admit when they don’t know the answer.

Here are 15 of the best responses to the question: What are the non-obvious signs of a smart person?

1. They know what they don't know

"They acknowledge areas where they lack knowledge."

"'Never pretend to know something when you don't' is something I always teach. It covers lying and ignorance."

2. They consider other people's ideas

"They’ll listen to the other's facts and points and take them into account when giving an objection."

"One of the best developers at my last job and manager of a project I was at is an extremely intelligent person. ... One thing I noticed is how he would take everyone's opinion into account. He would take my opinions into consideration even if I'm not a smarter person or know less about development."

3. They make you feel smart

"Talking to a dumb person will make you feel smart. Talking to a smart person will make you feel dumb. Talking to a very smart person will make you feel smart."

4. They see patterns

"Part of the reason smart people throughout history are well-known is because they discovered something new and figured out how to maximize its potential. Darwin was a guy who discovered a bunch of islands with slightly different animals. He then collected and analyzed that data to come up with the theory of evolution, which was largely correct. Einstein’s theory of relativity was based off of his observation that physics acted on everything equally. He figured out that “exceptions” were because of the way high-speed objects interact with the universe’s speed limit (the speed of light). He recognized these exceptions by gathering them and recognizing the pattern between them all, then created his theory of relativity based on that."



5. They consider multiple intelligences

"They realize not everyone is smart the same way. Your 'stupid hick neighbor' might have dropped out of school in 8th grade, but he can drive your car once and tell you exactly what's wrong, then fix it. That a**hole in school that had no empathy for anyone and showed no emotion made that sci-fi sh*t you thought would never be real. Yeah, she's dingy and her worldview is tiny, but she's the best teacher you've ever met and inspires tons of kids to go on and do great things with themselves. There's no one-size-fits-all answer here, really."

People who are super smart are probably familiar with Howard Gardner's theory of multiple intelligences. The theory suggests that people have more than just one type of just one type of intelligence, like being good at mathematics. Gardener says there are several, including musical, spatial, linguistic, interpersonal, intrapersonal, and kinesthetic intelligence. This theory opens the door for people to appreciate different forms of intelligence that may not be of the academic variety.

6. They choose their battles

"When another person is not able to process something and, therefore, sticks with his opinion, after a few tries, the smart person just gives up. There is no use in trying to make someone understand something while they already have an uneducated opinion."

7. They speak to their audience

"They know how to explain concepts on just about any level, tailoring that level to their intended audience, and without coming across as condescending in any way."

"I heard a saying that went 'you have to be an expert to explain it simply.'"

8. They're confident in their intelligence

"Not constantly bragging about their intelligence. If they truly are smart, people can figure that out pretty quickly without them doing anything to show it."

"You generally only brag about things you're insecure about because you seek validation. If you are very comfortable with your intelligence then you may not care if someone misinterprets you and makes you look dumb or something. You have nothing to prove. That's not just for intelligence but for anything."

9. They're funny

"I think the smart people are even more funny than stupid people because smart people understand the complexity behind humor and can make their jokes reflect that."

Scientific studies show that people who are funny, especially those who have a dark sense of humor, are more intelligent than their not-so-funny peers. Researchers argue that it takes cognitive and emotional ability to make people laugh, and analysis shows that funny people have higher verbal and non-verbal intelligence.



10. They mind their own business

"This is a big one. They keep to themselves and deal with their own drama."

11. They aren't necessarily great students

"Believe it or not 'average' or 'above average' students are often smarter than those with straight A’s on the report cards. They do enough to pass well and get what they want but don’t let the academic system control them. Life isn’t all about booksmarts. This shows they are independent thinkers and don’t get wrapped up in designed systems. Not all, but many. Many kids who are forced to always be exceptional in school can end up the worst off and can develop deeper issues."

12. They are good listeners

"They actually listen to who they are talking to as opposed to waiting for their turn to talk."

13. Curiosity

"It really does seem to be one of the single greatest differentiators between average and smart."

14. Comfortable in silence

"Being comfortable enough to allow a moment of complete silence while you think when the natural instinct of most is to immediately start replying tells me that you are, at the very least, mindful of what you want to say."

15. Unattached to their opinions

"Most of the smart people I know are not pushy with their opinions; by contrast, most of the opinionated people I know are flaming morons. I don't know if there's a correlation there, but my anecdotal experience has always been that the more eager someone is to state their opinion, the less that opinion is probably worth."


This article originally appeared last year.
Pop Culture

How do you know someone is very smart? Here are 15 'subtle signs' people notice.

"You can understand both sides of an issue and still think one is wrong."

Steve Jobs shows off iPhone 4 at the 2010 Worldwide Developers Conference.

There is a big difference in how highly intelligent people communicate versus those with smaller IQs. A Redditor named Occyz wanted to know how people tell the difference by asking them to share the “subtle” signs that someone is very intelligent.

The question was a big hit on the forum, receiving over 3,700 responses.

A big takeaway is people think highly intelligent people are mentally flexible. They are always interested in learning more about a topic, open to changing their minds when they learn new information and acutely aware of what they don’t know.

In fact, according to the psychological principle known as the Dunning-Krueger effect, there is a big confidence chasm between highly intelligent people and those who are not. Low-IQ people often overestimate what they know about topics they need to familiarize themselves with. Conversely, people with high IQs underestimate their knowledge of subjects in which they are well-versed.

Here are 15 “subtle” signs that someone is highly intelligent.

1. They admit their mistakes

"When someone can admit a mistake and they know they don’t know everything."

2. Great problem-solvers

"They're very good at problem-solving. Even if it's something they have no experience with they always approach the problem from the right angle."

3. They appreciate nuance

"'I can hold two opposing ideas in my head at the same time.' Anyone who is willing to do that is intriguing to me. Especially with polarizing issues. They might actually be interesting to talk to."



4. They say 'I don't know'

"I like to call it being smart enough to know how stupid you are."

"100% this. I have a good friend who is a teaching professor at Cambridge. He is acutely aware of how ‘little’ he knows about areas outside his specialization."

5. They have self-doubt

"They struggle with imposter syndrome. Dumb people always think they’re [great]."

"It can happen but I’ve met plenty who don’t really doubt themselves. Instead, they take not knowing or not having any experience as an opportunity, just like people go down interesting internet rabbit holes. Really smart people can view mistakes as opportunities for growth and inexperience as an opportunity to gather new experiences."

The great American poet Charles Bukowski once wrote, “The problem with the world is that the intelligent people are full of doubts and the stupid ones are full of confidence,” and according to science, he’s correct.

“Ignorance is associated with exaggerated confidence in one’s abilities, whereas experts are unduly tentative about their performance,” Stephan Lewandowsky Chair of Cognitive Psychology, University of Bristol, writes for the World Economic Forum. “This basic finding has been replicated numerous times in many different circumstances. There is very little doubt about its status as a fundamental aspect of human behavior.”

6. They ask questions

"They are ok with being perceived as 'stupid' by asking questions — if we hold back in fear, we'll never truly learn. Plus, it's a good way to show others it's ok to question things if you don't understand — better off if we're on the same page instead of hoping things work out without being informed."

7. They love a challenge

"They feel challenged rather than threatened by new things, problems, ideas..."

"'I don't know' is the beginning of a puzzle, not the conclusion."



8. They know their audience

"They can adapt their communication style — vocabulary, tone, content, etc — to fit the situation and people they’re talking to, and it seems completely natural."

"It's a bit past code-switching, though code-switching is a part of it. Being able to explain complex thoughts in simpler terms based on audience demonstrates your understanding. If the only people who can understand you are fellow people with the same educational exposure as you, you just have knowledge, not intelligence."

9. They can simplify big ideas

"I consider someone intelligent if they're able to explain something incredibly complicated in simpler and more readily understood terms."

"Fantastic teachers can make learning nearly effortless."

10. They listen to people they disagree with

"Someone who can understand someone’s opposing view without having to agree with it or get angry over it."

11. They're humble

"They don't continually need to tell people how intelligent they are."

"At a certain point, they realize they are smarter at certain things than other people, but they understand the importance of being humble."



12. They take a moment

"They pause to think about a novel question instead of instantly blurting out an answer. Sometimes people think it means they've been 'stumped' and claim victory. No, they're thinking, analyzing, and formulating a reply."

This idea is backed up by science. A study published by IFL Science found that people who score high on intelligence tests answer easy questions quickly. However, they spend more time on questions complex questions than their less intelligent peers. They have the intelligence to wait until their entire brain has grappled with a problem before answering.

"In more challenging tasks, you have to store previous progress in working memory while you explore other solution paths and then integrate these into each other,” said lead author Professor Michael Schirner. “This gathering of evidence for a particular solution may sometimes take longer, but it also leads to better results.”

13. They're well-spoken

"I usually find that creativity, humor, and verbal acuity are good signs of intelligence. I generally see lack of empathy, low openness, and seeing the world in absolutes as signs of low intelligence."

14. Dry sense of humor

"Pulling it off requires an observant, quick wit with a nonchalant delivery that almost downplays its own cleverness. Like it means their immediate passing thoughts are often profound enough to be very funny without any real effort."

15. They are great storytellers

"They craft narratives for themselves and for others that are compelling, that make the world make sense, that invigorate and install a goal, a mission."


This article originally appeared last year.

5 things people think show stupidity but are actually intelligence

There are some people that are just inherently intelligent while others have to work at it. As we age we run into more people that have varying degrees of intelligence whether it be from post graduate degrees or just life experiences. But there are sometimes instances where we may find ourselves questioning if someone is as smart as they are letting on.

It can be due to something they said, did or just from observing their general behaviors. Is this always a fair assessment though or are we making snap judgements based on what we personally perceive as markers of a person's intelligence? Well, it seems this is a question that has been on the minds of a few individuals.

People have been asking what are signs of intelligence that are often mistaken for stupidity. The answers just might surprise you.


Knowing what people view as signs of intelligence may also serve as a means to satisfy people's curiosity on whether they appear to be smart to other people. This could be a reason this question is so popular when someone dares to release the thought into the metaphorical void of the internet. Between two posts, one shared on Reddit and the other on X, here are the top 5 things people mistake for ignorance but are actually signs of intelligence.

Confused Dogs GIF by MOODMANGiphy

1. Asking questions

Sometimes people mistake asking a lot of questions as a sign of unintelligence when the opposite may be true. People who are smart know when they aren't well informed on a topic so they don't shy away from asking questions to gain clarity or to learn about resources to obtain more information on the topic.

"Asking questions. people love to act like it makes you look dumb, but honestly, the smartest ppl are the ones who aren’t afraid to admit they don’t know everything. Like, if you’re always questioning stuff, you’re actually trying to learn, while everyone else is just faking it lol," someone shares.


Amy Poehler Question GIF by NBCGiphy

2. Being quiet

It seems that the consensus is that everything doesn't require one's opinion, especially if they aren't well versed in the area being discussed. Quietly listening instead of interjecting can also show confidence in your knowledge of the topic at hand. If it's being adequately covered by others in the conversation, your voice may not be needed–knowing the difference seems to be key in someone deemed as intelligent.

Being quiet also gives you the opportunity to learn about others, another user points out, "That phrase as well as 'You have two ears and one mouth. Use them in that ratio.' Ring through my head regularly. These days, far more about others than to myself."

3. Mispronouncing a word

This may be surprising to some people but mispronouncing words can be seen as a sign of intelligence. The logic behind this is that you must be hitting the books more than engaging in mindless scrolling or consuming some other form of visual media outside of books.

"Mispronouncing a word. Just means that you have read the word somewhere and have not heard it," someone points out in a reply on X.

Elon Musk Snl GIF by Saturday Night LiveGiphy

4. Having an accent

There's oftentimes a misconception that people who don't speak the dominant language well or speak it with an accent are not as intelligent. This can be immigrants who have moved to the country or people simply visiting on vacation. In some situations immigrants hold advanced degrees or owned businesses in their home countries before relocating, which alone is impressive but one person adds this reminder.

"Having an accent seems to make people think you’re stupid. Reality is this person speaks more than one language, they’re not dumb."

5. Changing your mind

Some people see changing your mind as a sign of being uncertain or fickle but in actuality, it can be a sign of intelligence. When someone learns new information that conflicts with previous information and adjusts accordingly, this is seen as a positive attribute. For others, the changing of one's mind may be seen as something someone unintelligent would do.

Someone chimes in saying, "the uneducated call it flip-flopping, while some of us are willing to change our views in light of new evidence." While another clarified that they view "flip-flopping" differently, "I would only call it flip-flopping if they publicly change back and forth multiple times. I think this is often because they're trying to appeal to whomever they're speaking to rather than showing their true opinions."

Changed My Mind Hbo GIF by SuccessionHBOGiphy

Intelligence can be measured by many different standards and there's no true way for someone to immediately pick up on someone else's level of intelligence in all areas. Some people are well versed in certain topics while being clueless in another. Intelligence runs the gambit because no two people are exactly alike and no singular person can know everything with the depth of expert level research.