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The words that reveal how smart you aren’t

AsapSCIENCE | September 15, 2026



Does using more filler words mean you’re dumb? Or actually…smarter? Today we’re diving into some of the most controversial words.
Check out our Sidenote Podcast: https://www.youtube.com/sidenotepodcast

Written by: Mitchell Moffit
Animated By: Mitchell Moffit and Luka Šarlija
Edited by: Luka Šarlija

Sources & Further Reading:

https://psycnet.apa.org/doiLanding?doi=10.1037%2F0022-3514.60.3.362

https://www.nature.com/articles/s41598-020-68606-x

https://journals.sagepub.com/doi/10.1177/0261927X14526993

https://www.researchgate.net/publication/275005568_Um_Who_Like_Says_You_Know

https://www.tandfonline.com/doi/full/10.1080/0163853X.2021.1924000

https://www.utoronto.ca/news/sali-atagliamonte-language-detective#:~:text=Commonly%20held%20assumptions%20about%20how,elderly%20speakers%20in%20the%20UK).

https://pubmed.ncbi.nlm.nih.gov/38819033/

https://www.medrxiv.org/content/10.1101/2024.02.25.24303329v3

Written by AsapSCIENCE

Comments

This post currently has 39 comments.

  1. @KFCJones

    September 15, 2026 at 9:50 pm

    Anecdotally, I bet if you factored in the initial "So…" that people from the sciences use when answering a question or explaining an idea, you could improve their filler word scores. 😊

  2. @LudwigRohf

    September 15, 2026 at 9:50 pm

    I think I use more filler words when speaking any language other than my mother tongue. I don't use “like” at all because it doesn't exist in my first two languages in the way English speakers use it. I’m wondering if there is a difference between languages.

  3. @lijmoo

    September 15, 2026 at 9:51 pm

    5:20 makes me feel seen! I really struggle to follow when like's are dropped in every other turn of phrase. It soon becomes the only thing my mind focuses on, and the one thing I know logically doesn't matter!

  4. @losing_mana

    September 15, 2026 at 9:51 pm

    I just realized that I began using more filler words as my multiple sclerosis progressed and my word recall declined. It happened so slowly over time that it became normal, I even use them in informal texts. I used to be worried that people would think I was unintelligent, but in my old age I'll just stop and say gimme a minute, it's there, I just gotta find it. Or I'll perform an elaborate pantomime 😂

  5. @NoahJoeKing

    September 15, 2026 at 9:51 pm

    military made me stop ums and uhs for the most part. basically learn to throw the question back while you think. can you say that again, can you rephrase that, etc… if youre giving a class or presentation and use ums or uhs, that means you didnt practice. should be like a movie script…

  6. @Purelychem

    September 15, 2026 at 9:51 pm

    Cool video! I’m an avid listener of the pod (and highly recommend it). One word I notice Mitch uses a lot is “obviously.” I’m not sure if it counts as a filler word, but he uses it even when the topic about to be presented may not be obvious to the listener. Maybe that’s more of a verbal tick(?). The topic of verbal ticks could be another cool video idea

  7. @AlanMGross

    September 15, 2026 at 9:51 pm

    I listen to a lot of online interviews, lectures, and podcasts, mostly about relating to academic topics. I've noticed that a lot of presenters, especially British academics, studder at the start of sentences. I don't think they studder in normal speech, but as an affectation or perhaps as a filler while they gather their thoughts. Has anyone studied this?

  8. @a.m.7438

    September 15, 2026 at 9:51 pm

    A common thing I noticed from different people, and please take this in good faith I don't mean this offensively:
    Lots of individuals who I noticed that struggled with thinking often struggled with self-correcting and recognizing their mistakes, refused ownership of behavior and had very short attention spans/memory. They struggled with correctly naming things and take a long time to complete tasks they do frequently.
    You can tell the difference between someone simply not knowing something and someone not knowing something because they struggle to retain information enough to act on that info timely and effectively.

    There's a sort of posture to the way intelligent people use words compared to lesser intelligent people. They're more direct and focused on the topic and their clear use of language lacks the clumsiness someone less intelligent might possess. You can almost hear intelligence, or at least, recognize a level of education behind how someone presents themself in social settings.

  9. @gtabro1337

    September 15, 2026 at 9:51 pm

    I promise you the people that use “umm”, “like”, etc. are on a bell curve – both the dumbest and smartest people are in those categories. And unfortunately many dumb ones think they’re on the other side…

  10. @twelveraccoonsinatrenchcoat

    September 15, 2026 at 9:51 pm

    I usually have a very specific word I'm trying to think of which is why I pause and use filler words, which to anyone else probably doesn't matter but we end up playing 20 questions trying to help me find it, and then sometimes I end up teaching someone a new word lol. I also say "y'know?" somewhat frequently because I want to make sure I'm communicating clearly, and "like" to clarify that it's not an exact recollection. It is similar to, it is like this. Like, y'know?

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