brainiac

noun

ˈbrā-nē-ˌak How to pronounce brainiac (audio)
Definition of brainiacnext
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

Synonyms & Similar Words

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Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of brainiac 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, 9 Mar. 2026 Like the other characters in the book, Harper is a stock figure, the brainiac child, but her fearlessness in the face of a crumbling, dishonest world reinvigorates the type. — Hannah Gold, New Yorker, 21 Jan. 2026 The contestants — all performed well by current college students and recent college graduates — are a cross-section of typical middle-school brainiacs. — Pam Kragen, San Diego Union-Tribune, 2 June 2026 Our sweet brainiac med student, Javadi, realizes that not-so-sweet brainiac med student Ogilvie might be some real competition for a spot in the ED residency program at PTMC. — Maggie Fremont, Vulture, 16 Jan. 2026 See All Example Sentences for brainiac
Recent Examples of Synonyms for brainiac
  1. genius
  2. wizard
  3. nerd
  4. brain
Noun
  • The market is oversaturated, and Riley is a genius for not only recognizing that but realizing that all of these new DJs are going to need lawyers to negotiate their contracts.
    — Tom Smyth, Vulture, 2 July 2026
  • Combining all the hits of a Southern breakfast (eggs, hashbrowns, sausage) into one oven-ready dish is a stroke of pure genius that lends itself to occasion brunches and morning celebrations.
    — Tara Massouleh McCay, Southern Living, 1 July 2026
Definition of genius
Noun
  • After climbing the Azkaban Escape Tower to the top, repel-style, young wizards-in-training, Clark and Emily Friscia, were ready to go home.
    — Greg Harutunian, Chicago Tribune, 29 June 2026
  • And two other high-flying AI wizards — Anthropic and OpenAI — are working on their own mega offerings.
    — Evan Clark, Footwear News, 29 June 2026
Definition of wizard
Noun
  • In the film, the villain is not the Harvard nerds who initially shun Elle, but the ex-boyfriend who never saw her as anything more than a cardboard cutout of a girl with blonde hair and big boobs.
    — Kelly Lawler, USA Today, 1 July 2026
  • Hunter Pence, a nerd at heart, spent money from his first paycheck to buy himself a gaming computer to play World of Warcraft.
    — Sportico Staff, Sportico.com, 30 June 2026
Definition of nerd
Noun
  • By triggering the release of a natural growth factor in the brain and modulating neural pathways associated with addiction and reward, ibogaine restores healthy dopamine function and reduces cravings, Barsuglia said.
    — Gavin Escott, USA Today, 6 July 2026
  • The answer to us was to stay calm, use our brains and think our way through it.
    — Paul Newman, New York Times, 5 July 2026
Definition of brain

Browse Nearby Words

brained
brainiac
brainiacs
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Cite this Entry

“Brainiac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiac. Accessed 7 Jul. 2026.

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