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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Kiss messy suitcases goodbye with these genius travel organizers.—
Amelia McBride,
Travel + Leisure,
8 Sep. 2025
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Lily King, though, is some kind of genius, because in a scant 250 pages, this book both delighted me intellectually and affected me on a profound emotional plane.—
Literary Hub,
Literary Hub,
8 Sep. 2025
Noun
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Quantrill, like other prominent Confederates such as the Ku Klux Klan’s first grand wizard, Nathan Bedford Forrest, was mythologized by Confederate sympathizers.—
Quentin Corpuel,
Kansas City Star,
6 Sep. 2025
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Released in 2004, the film follows Sophie, a quiet girl working in a hat shop, who finds her life thrown into turmoil when she is literally swept off her feet by a handsome but mysterious wizard named Howl.—
Jazz Tangcay,
Variety,
4 Sep. 2025
Noun
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By comparison, his romantic rival Archie (Devon Bostick) is a weirdo, but a more believable one, and Bostick’s banter with Ferreira has a specific kind of romantic chemistry common to hyperintelligent, socially awkward nerds.—
Katie Rife,
IndieWire,
4 Sep. 2025
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My brother was a poet, classics scholar, and charismatic leader of nerds who blossomed into a handsome surfer and then nosedived into schizophrenia and a life of unfiltered Camel cigarettes, caffeine, and antipsychotics.—
Kim Gordon,
Rolling Stone,
3 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 14 Sep. 2025.
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