brainiacs

noun

plural of brainiac
as in geniuses
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

Relevance

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 brainiacs 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 Citadel’s entire business is built around hiring brainiacs. — Brandon Kochkodin, Forbes.com, 28 May 2026 South Bay brainiacs — watch out. — Kate Bradshaw, Mercury News, 28 May 2026 Not the brainiacs in charge, apparently. — Rachel Marsden, Hartford Courant, 17 Apr. 2026 Even at a flagship public university, the true type-A brainiacs might have to work harder to find one another. — Rose Horowitch, The Atlantic, 4 Apr. 2026 By the time season 3 begins, that empire is thriving, with Dwight having amassed a loyal team of hustlers, killers, and brainiacs. — Randall Colburn, Entertainment Weekly, 23 Nov. 2025 Both are wicked smart brainiacs on a tireless quest to do good in the world. — Natasha Stoynoff, PEOPLE, 7 Sep. 2025
Recent Examples of Synonyms for brainiacs
  1. geniuses
  2. wizards
  3. brains
  4. intellects
  5. nerds
Noun
  • No sooner than the broadcast of the Braves’ Wild Card Series game began Tuesday, showing pockets of empty seats at Truist Park, the social-media geniuses blessed us with their bouquets of wisdom.
    — Ken Sugiura, AJC.com, 1 Oct. 2026
  • Their attention to detail in the studio when arranging each member’s parts was like witnessing true geniuses at work.
    — Jessica Nicholson, Billboard, 24 Sep. 2026
Definition of geniuses
Noun
  • Ever since, witches, wizards, and dragons have bored me silly.
    — Griffin Dunne, Vanity Fair, 11 Sep. 2026
  • California’s tech wizards were busy helping lead the world into the Information Age, notably the fledgling commercial promise of the Internet.
    — Jonathan Lansner, Oc Register, 4 Sep. 2026
Definition of wizards
Noun
  • Rabies is a rare but serious viral disease that can infect the brains of both people and animals, according to the California Department of Public Health.
    — Karen Garcia, Los Angeles Times, 1 Oct. 2026
  • There's been a revolution in recent decades in understanding how children's brains develop and are changed by trauma.
    — Joseph Shapiro, NPR, 30 Sep. 2026
Definition of brains
Noun
  • Women are compelled to suppress their desires, intellects, and emotions in Gilead.
    — Amanda Whiting, Vulture, 29 Apr. 2026
  • While the likes of Philo and Trotter have expanded upon the idea by prioritizing people whose intellects align with their brand values, Jacquemus takes it to another level.
    — Hannah Jackson, Vogue, 23 Jan. 2026
Definition of intellects
Noun
  • Today’s Theme This crossword is a tribute to Scrabble, another beloved pastime of word nerds.
    — New York Times, New York Times, 24 Sep. 2026
  • McCartney 3, 2, 1 wasn’t exclusively aimed at music nerds, but a certain measure of nerdiness was ideal for appreciating the six-episode deep dive, which featured thorough lyrical analysis and ruminations on a unique journey.
    — Daniel Fienberg, HollywoodReporter, 17 Sep. 2026
Definition of nerds

Browse Nearby Words

brainiac
brainiacs
braininess
See all Nearby Words

Cite this Entry

“Brainiacs.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiacs. Accessed 7 Oct. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of discreet

See Definitions and Examples »

Popular in Grammar & Usage

See More

Do You Need a New Language Peeve?

More Commonly Mispronounced Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?
See More

Popular in Wordplay

See More

7 Great Ways to Say 'Great'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Do You Need a New Language Peeve?

7 Great Ways to Say 'Great'

The Longest Long Words List
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
name tags
Words Named After People Quiz Find out who’s behind "leotard," "morphine," an...
See All