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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Rather than homogenizing these differences, the federation's genius lay in creating structures that allowed diversity to generate collective capability.—
Cornelia C. Walther,
Forbes.com,
16 Sep. 2025
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The master had wanted a finished church, Faulí believes, not a monument to his genius.—
D. T. Max,
New Yorker,
15 Sep. 2025
Noun
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This rendition of the beloved franchise follows the Smurfs on a mission to save Papa Smurf, who was stolen by evil wizards Razamel and Gargamel.—
Greta Cross,
USA Today,
16 Sep. 2025
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Look for an enrollment wizard through notifications and in Settings, Microsoft says.—
PC Magazine,
PC Magazine,
15 Sep. 2025
Noun
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So no, the nerds aren’t going anywhere.—
Dianna Russini,
New York Times,
13 Sep. 2025
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That’s likely to be some Silicon Valley techno-nerd’s paradise of the future, and it’s probably being built right now.—
John Koetsier,
Forbes.com,
10 Sep. 2025
Noun
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Ketamine works by stimulating the brain’s resilience mechanisms, according to Krystal.—
Rachel Hale,
USA Today,
10 Sep. 2025
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The team behind the research noted that many of these genes are tied to developmental delay, which may have played a role in the slower pace of postnatal brain growth in humans compared to chimpanzees.—
Lucy Notarantonio,
MSNBC Newsweek,
9 Sep. 2025
Cite this Entry
“Brainiac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiac. Accessed 17 Sep. 2025.
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