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
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 brainiac
The company hired a team of brainiacs and gave them latitude to pursue research questions in service of the perfect brew.
—
Jack Murtagh, Scientific American, 25 May 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
All this attaches the show’s brainiac spectacle to big humanistic ideas.
—James Poniewozik, New York Times, 20 Mar. 2024
Parrots and corvids have reputations as the brainiacs of the bird world.
—John Timmer, Ars Technica, 27 Jan. 2023
See all Example Sentences for brainiac 
Jack Murtagh, Scientific American, 25 May 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
All this attaches the show’s brainiac spectacle to big humanistic ideas.
—James Poniewozik, New York Times, 20 Mar. 2024
Parrots and corvids have reputations as the brainiacs of the bird world.
—John Timmer, Ars Technica, 27 Jan. 2023
See all Example Sentences for brainiac
Recent Examples of Synonyms for brainiac
Noun
-
And the latest star to pull off the look is none other than actress, icon, and comedic genius Keke Palmer.—
India Espy-Jones,
Essence,
7 Feb. 2025
-
The 22-year-old’s passes for the second and third goals will live long in the memory — two deliveries of genius.—
Pol Ballús,
The Athletic,
7 Feb. 2025
Noun
-
The greedy wizard had an idea to build beautiful hotels and homes.—
Letters to the Editor,
Hartford Courant,
7 Feb. 2025
-
Looking quite a bit like a wizard casting a curse, Chappell Roan accepted her first ever Grammy by criticizing the music industry.—
Spencer Kornhaber,
The Atlantic,
3 Feb. 2025
Noun
-
This tournament could be heaven for hockey nerds who have been starved for best-on-best at this level.—
Corey Masisak,
The Denver Post,
10 Feb. 2025
-
From jocks to nerds, cheerleaders to shy kids, Dazed captures the universality of being a young person on the cusp of truly entering the world, whether you're actualized or not.—
Brian Smolensky and James Mercadante,
EW.com,
27 Jan. 2025
Noun
-
Notably, this opiate pathway was not activated in the rodents' brains when they were given additional regular or fatty food, rather than sugar; and when the pathway was blocked, full mice seemed to lose their metaphorical dessert stomachs and did not eat extra sugar.—
Josh Hammer,
Newsweek,
14 Feb. 2025
-
Our brain goes on an incredible biological journey when Cupid's arrow strikes.—
Jennifer Borresen,
USA TODAY,
14 Feb. 2025
Thesaurus Entries Near brainiac
Cite this Entry
“Brainiac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/brainiac. Accessed 21 Feb. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share