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
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
Other designers, like the British Cypriot Hussein Chalayan, brought a compelling sense of brainiac wonder to the fashion world.
—Hamish Bowles, Vogue, 17 Sep. 2024
The bright-eyed Redmayne really fits the part of a brainiac – especially in a story about one of our greatest minds.
—Brian Truitt, USA TODAY, 11 Mar. 2024
See All Example Sentences for brainiac
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
Other designers, like the British Cypriot Hussein Chalayan, brought a compelling sense of brainiac wonder to the fashion world.
—Hamish Bowles, Vogue, 17 Sep. 2024
The bright-eyed Redmayne really fits the part of a brainiac – especially in a story about one of our greatest minds.
—Brian Truitt, USA TODAY, 11 Mar. 2024
See All Example Sentences for brainiac
Recent Examples of Synonyms for brainiac
Noun
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Worldly readers had to wonder what really went on when the geniuses and their wives went home after dinner.—
Judith Thurman,
New Yorker,
29 Sep. 2025
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For Herzog, this simultaneous coexistence of high art and triviality is part of LA’s twisted genius.—
Nick Lichtenberg,
Fortune,
28 Sep. 2025
Noun
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Production began on the series in July, and HBO celebrated with the first picture of Dominic McLaughlin, who has inherited the role from Daniel Radcliffe, in costume as the titular wizard.—
Julia Moore,
PEOPLE,
23 Sep. 2025
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Daily Mail photographers captured pictures this week showing Daniel Rigby as Vernon Dursley running into a wizard while on break from his job as the director of Grunnings, a company that makes drills.—
Evan Bell,
MSNBC Newsweek,
23 Sep. 2025
Noun
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Sure, there will always be some people who care, just as today there are nerds like me willing to debate the merits of writing for the Z80 versus the 6502 8-bit CPUs.—
Stephen Cass,
IEEE Spectrum,
23 Sep. 2025
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With the help of her best friend Tatum (Rose McGowan), boyfriend Billy (Skeet Ulrich), and cine-literate nerds Randy (Jamie Kennedy) and Stu (Matthew Lillard), Sidney sets out to determine who’s behind the mask.—
Declan Gallagher,
Entertainment Weekly,
21 Sep. 2025
Noun
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One bullet missed her eye and the other her brain by mere centimeters.—
Alyce Collins,
MSNBC Newsweek,
1 Oct. 2025
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The spice is thought to increase levels of serotonin (the mood-boosting hormone) in the brain, which may have positive effects on conditions like anxiety and depression.—
Jillian Kubala,
Health,
30 Sep. 2025
Cite this Entry
“Brainiac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiac. Accessed 2 Oct. 2025.
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