as in geniuses
a very smart person
a techie who always has to have the latest gadget that the brainiacs in Silicon Valley have cooked up
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Recent Examples of brainiacs
By the time season 3 begins, that empire is thriving, with Dwight having amassed a loyal team of hustlers, killers, and brainiacs.
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Randall Colburn, Entertainment Weekly, 23 Nov. 2025
In addition to the Ivy League brainiacs, Chen employs an army of a million-plus gig workers from more than 50 countries around the world who help come up with questions that might stump AI, evaluating the models’ responses and writing criteria that help AI generate a perfect response.
—Danielle Chemtob, Forbes.com, 17 Sep. 2025
Both are wicked smart brainiacs on a tireless quest to do good in the world.
—Natasha Stoynoff, PEOPLE, 7 Sep. 2025
Recent Examples of Synonyms for brainiacs
Noun
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In some history books, Steve Jobs and Steve Wozniak are known as the two college dropouts-turned-geniuses who founded the Apple Computer Company in 1976.—
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Save the Children was founded by a visionary and her spirit has been carried on by the geniuses of logistics bringing help in the most challenging places and the fierce leaders that shine a bright light in challenging times.—
Noun
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Who were the ad wizards who came up with that one?—
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Whatever uncanny floating effect Henson’s wizards put on that baby has freaked me out for decades.—
Noun
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Their brains are dramatically different in size, structure, and function.—
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The skin, guts, and brains are the same but made of different things.—
Noun
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After five wild seasons, the series finale of Netflix’s global phenomenon brought the journey of Hawkins’ finest nerds to a dramatic close, vanishing Vecna for good.—
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And yes, horoscope nerds, that means there’s some astrology in the mix, too.—
Cite this Entry
“Brainiacs.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiacs. Accessed 13 Jan. 2026.
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