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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Founded by Keith and Brooke Desserich who lost their 5-year-old daughter Elena to brain cancer, The Cure Starts Now first worked with Graeter's in 2007 to develop an ice cream flavor in honor of the couple's daughter, called Elena’s Blueberry Pie ice cream.—
Grace Tucker,
The Enquirer,
3 Sep. 2025
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The brain is surrounded by a layer of tightly joined cells, called the blood-brain barrier, that acts as a bouncer turning away any substances deemed unworthy of accessing our most precious resource.—
Matt Fuchs,
Time,
2 Sep. 2025
Cite this Entry
“Brainiac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiac. Accessed 9 Sep. 2025.
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