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
The two brainiacs representing Colorado at the Scripps National Spelling Bee outside Washington, D.C., this week advanced through the first three rounds of the competition Tuesday.
—
Elizabeth Hernandez, Denver Post, 28 May 2025
The Scooby gang needs its brainiac (who also knows how to rock a mod pair of specs).
—Maureen Lee Lenker, EW.com, 28 Mar. 2025
Because bonobos are brainiacs, pinpointing the cup with the treat should have been no sweat.
—Jack Tamisiea, Scientific American, 3 Feb. 2025
Hollis enrolled him at Terra Environmental Research Institute, a magnet school for science, tech and engineering brainiacs.
—Carol Marbin Miller, Miami Herald, 2 Jan. 2025
See All Example Sentences for brainiac
Elizabeth Hernandez, Denver Post, 28 May 2025
The Scooby gang needs its brainiac (who also knows how to rock a mod pair of specs).
—Maureen Lee Lenker, EW.com, 28 Mar. 2025
Because bonobos are brainiacs, pinpointing the cup with the treat should have been no sweat.
—Jack Tamisiea, Scientific American, 3 Feb. 2025
Hollis enrolled him at Terra Environmental Research Institute, a magnet school for science, tech and engineering brainiacs.
—Carol Marbin Miller, Miami Herald, 2 Jan. 2025
See All Example Sentences for brainiac
Recent Examples of Synonyms for brainiac
Noun
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Packed practical tutorials, tool tips and ideas drawing from Hanna’s experience the paperback teaches sewers of all levels a range of genius jean repair, repurpose and restyling skills.—
Angela Velasquez,
Sourcing Journal,
10 Nov. 2025
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Watson’s life story also has been warped by the myth of the lone genius, or in the case of Watson and Crick, the lone geniuses.—
Kathryn Paige Harden,
The Atlantic,
10 Nov. 2025
Noun
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Filming has been ongoing for months in the UK on the Harry Potter series, which will star Dominic McLaughlin as the titular Hogwarts wizard.—
Jake Kanter,
Deadline,
6 Nov. 2025
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The Ringbrothers Kingpin was unveiled at the Specialty Equipment Market Association show (SEMA) in Las Vegas, which is a haven for aftermarket wizards, tuners, and auto tinkerers of all stripes.—
Erik Shilling,
Robb Report,
5 Nov. 2025
Noun
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Roberts’s pet theory is the Major Questions Doctrine, known to Supreme Court nerds as MQD.—
Noah Feldman,
Twin Cities,
6 Nov. 2025
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Military history nerds will be pleased.—
Daniel Fienberg,
HollywoodReporter,
6 Nov. 2025
Noun
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For many patients, long journeys to the nearest specialist centre cost them crucial brain tissue.—
Neetika Walter,
Interesting Engineering,
11 Nov. 2025
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Raleigh died about 20 minutes later from blunt force trauma and brain bleed.—
Rosalio Ahumada,
Sacbee.com,
11 Nov. 2025
Cite this Entry
“Brainiac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiac. Accessed 12 Nov. 2025.
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