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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Recent Examples of brainiac
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
Both are wicked smart brainiacs on a tireless quest to do good in the world.
—Natasha Stoynoff, PEOPLE, 7 Sep. 2025
See All Example Sentences for brainiac
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
Both are wicked smart brainiacs on a tireless quest to do good in the world.
—Natasha Stoynoff, PEOPLE, 7 Sep. 2025
See All Example Sentences for brainiac
Recent Examples of Synonyms for brainiac
Noun
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Amanda Nadelberg is a genius of meaningful whimsey.—
Craig Morgan Teicher,
Literary Hub,
1 June 2026
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Before his arrival, PSG almost seemed cursed in this competition and was unable to get over the line almost to the point of ridicule – then stepped in this visionary Spanish genius.—
Ben Church,
CNN Money,
30 May 2026
Noun
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At the same time, fencing is also touting is status as an Ivy League favorite, a discipline that has historically appealed to artists and egghead-y types including engineers, architects, finance and technical wizards, as well as artists.—
Cynthia Littleton,
Variety,
28 May 2026
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Warm up those wands, wizards, because the world of Harry Potter is hoping to cast a marketing spell over the metro area this summer.—
John Wenzel,
Denver Post,
27 May 2026
Noun
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Strategy consulting definitely has room for nerds.—
Christian Stadler,
Forbes.com,
26 May 2026
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The nerds have moved out of the garage and into their techno feudalist era.—
Michael Schneider,
Variety,
26 May 2026
Noun
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The game, which was developed in mid-19th century China, requires mental focus and strategic thinking, providing a perfect workout for the brain.—
Lauren Pastrana,
CBS News,
4 June 2026
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The company also flags baseline cardiac disease, abnormal ECG, arrhythmia, prior cervical vagotomy, abnormal cervical anatomy, brain tumor or aneurysm history, head trauma, syncope, seizures and nickel allergy as unevaluated risks.—
Samantha Agate,
Sacbee.com,
3 June 2026
Cite this Entry
“Brainiac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiac. Accessed 4 Jun. 2026.
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