as in genius
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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Example Sentences
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Recent Examples of brainiac
Even at a flagship public university, the true type-A brainiacs might have to work harder to find one another.
—
Rose Horowitch,
The Atlantic,
4 Apr. 2026
By the time season 3 begins, that empire is thriving, with Dwight having amassed a loyal team of hustlers, killers, and brainiacs.
—
Randall Colburn,
Entertainment Weekly,
23 Nov. 2025
There’s something rare about Swain, who is a young brainiac, but one who has built his business the old-fashioned, pre-quant-trading and Excel models Wall Street way, via charm offensives that weave webs of tight relationships few rivals can match.
—
Shawn Tully,
Fortune,
1 Nov. 2025
There’s no way of knowing who’s the brainiac in the Swift brood, but one Norwegian study showed the oldest child has an IQ that averages three points higher than that of the second oldest, while the second child, in turn, is one point smarter than the third.
—
Jeffrey Kluger,
Time,
3 Oct. 2025
See All Example Sentences for brainiac
Rose Horowitch,
The Atlantic,
4 Apr. 2026
By the time season 3 begins, that empire is thriving, with Dwight having amassed a loyal team of hustlers, killers, and brainiacs.
—
Randall Colburn,
Entertainment Weekly,
23 Nov. 2025
There’s something rare about Swain, who is a young brainiac, but one who has built his business the old-fashioned, pre-quant-trading and Excel models Wall Street way, via charm offensives that weave webs of tight relationships few rivals can match.
—
Shawn Tully,
Fortune,
1 Nov. 2025
There’s no way of knowing who’s the brainiac in the Swift brood, but one Norwegian study showed the oldest child has an IQ that averages three points higher than that of the second oldest, while the second child, in turn, is one point smarter than the third.
—
Jeffrey Kluger,
Time,
3 Oct. 2025
See All Example Sentences for brainiac
Recent Examples of Synonyms for brainiac
Noun
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And Peter Asher, who was one-half of the 1960s British pop duo Peter and Gordon before going on to become one of the most powerful record producers of the 1970s, is a figure of talent and charisma and fascination, even if part of that was his genius for being in the right place at the right time.
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Once there, a combination of Messi’s genius, goalkeeper Emiliano Martinez’s larger-than-life performances, a well-balanced team, and — it must be said — some unsavoury moments of skullduggery by several players, helped Argentina battle their way to the final against defending champions France.
Noun
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Beasley even lit up the scoreboard consistently across the globe in China, affording him unquestioned credentials as an offensive wizard worldwide.
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At the time, Soros, along with the financiers Julian Robertson and Michael Steinhardt, defined the public image of hedge-fund managers as investment wizards who made fortunes through huge bets, contrarian calls, iron stomachs, and a willingness to operate close to—or over—the regulatory line.
Noun
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With a mood board of influences including CD-binder staples like Neil Young’s Harvest Moon and alt-country lifers Blue Rodeo’s Five Days in July, Shabason and Krgovich summon the spirit of a backyard campfire attended by folkies and experimental jazz nerds alike.
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The tsunami of interest hasn’t been limited to just Hollywood insiders, TV nerds geeking out in chat rooms, or TikTokers sharing clips.
Noun
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Lecture topics range from anxiety, stress and depression to mindfulness and brain health.
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The blasts of noise and oregano at Kafeneion, a restaurant above a wine bar in a building across from the city’s Victorian-era Parliament House, ricocheted my brain to my one trip to Athens a dozen years earlier.
Cite this Entry
“Brainiac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiac. Accessed 25 Jun. 2026.
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