Definition of brainiac in English:



North American
  • An exceptionally intelligent person.

    ‘she's the original brainiac, a kid who completed high school at 14’
    • ‘See the brainiac who ripped off Microsoft (his employer) and then boasted about his vast quantities of illegal gain here.’
    • ‘Saying ‘statistically, no’ is supposed to hint that the statistics may well be a fictitious construct, some idle confection of brainiacs and number-crunchers with little real referent.’
    • ‘Can you please tell the brainiacs and intellectuals that not everyone is a walking dictionary?’
    • ‘Here's what the brainiacs on the editorial board of The World's Greatest Newspaper can't understand.’
    • ‘I'll tell you what, you goddamn egghead brainiacs at NASA: I don't want a space elevator.’
    • ‘If the error has persisted for 80 years, it does not speak well of the brainiacs behind this movement.’
    • ‘Yeah, he's cute - but he's also a brainiac like you!’
    • ‘Josh is well aware that Theo is a scholarship winner and a brainiac who definitely has the power to help him.’
    • ‘I was considered a moody brainiac back in high school, and I poured a lot of my angst into a journal.’
    • ‘Those effete brainiacs are gonna pay for their hubris.’
    • ‘It's going to look too obvious if we keep standing here while all of the other brainiacs go to their labs.’
    • ‘The brainiacs on the ‘new ideas' panel at Channel 4 must have been working overtime to come up with that one.’
    • ‘And I literally made a hit-list of all the experts, the real brainiacs, and I just pestered him until they met with me.’
    • ‘With luck, the brainiacs at Movable Type will soon release a single plug-in that autoconfigures this technique, making it point-and-click simple.’
    • ‘And as evening sets in, those same brainiacs, wedged three to six per office, huddle in quiet conference or patter away at their computers in unblinking concentration.’
    • ‘I mean, it was about two girls who did not fit in because they were brainiacs.’
    • ‘The hybrid team was packed with PhDs, but for all of their technical prowess, the brainiacs had one weakness: little launch experience.’
    • ‘My mom expects me to be like her, but I'm not trying to be a brainiac.’
    • ‘We don't need a bunch of brainiacs to figure this out.’
    • ‘University Challenge is that old quiz show that pits one uni against another - on each team there are four brainiacs fighting it out to see who are the top bananas in the intellectual trivia department.’
    clever person, intellectual, intellect, bluestocking, thinker, highbrow, mind, scholar, sage
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1950s: from the name of a supremely intelligent alien character in the Superman comic strip, from a blend of brain and maniac.