brainiac
Americannoun
noun
Etymology
Origin of brainiac
From Brainiac, a superintelligent, villainous alien in the Superman comics, probably brain + (man)iac
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Living up to his reputation as Cahiers’ brainiac bad boy, he pockets the office’s petty cash to road-trip to the Cannes premiere of Truffaut’s “The 400 Blows.”
From Los Angeles Times
The second characteristic is that these evildoers are brainiacs, they're incredibly intelligent.
From Salon
OK brainiac, but how do you know the right way to prepare this photon to get it to carry as much information as possible about the thing you want to measure?
From Salon
Revolori's amiable turn as the band's well-read brainiac keeps a group that primarily depends on edged weapons and acrobatics connected to its large-heartedness.
From Salon
Holmes literally modeled her look and demeanor after Steve Jobs, which was such a weird thing to do that it only reinforced her image as a quirky brainiac.
From Salon
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.