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brainiac

American  
[brey-nee-ak] / ˈbreɪ niˌæk /

noun

  1. a highly intelligent person.


brainiac British  
/ ˈbreɪnɪˌæk /

noun

  1. informal a highly intelligent person

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

For its final EP, “Electro-Shock for President,” which arrived only weeks before Taylor’s death, Brainiac employed a more fully realized electronic palette that continues on “Predator Nominate.”

From New York Times • Jan. 17, 2023

The Man of Steel’s arch villains - ranging from Lex Luthor to Brainiac to General Zod – have all tried to debilitate Superman with Kryptonite at one point or another.

From Fox News • May 17, 2019

Offering parts one and two of “Dark Victory,” the 30th century story finds Brainiac 5 teaming up with Imperiex to unintentionally unleash his evil side and features the death of a Superman.

From Washington Times • Aug. 10, 2018

There is a storyline in the Superman comics in which an entire Kryptonian city, Kandor, is miniaturised by villain Brainiac.

From The Guardian • Feb. 6, 2017

Nerdy Brainiac: Defense secretary nominee Ashton Carter once befuddled a Rhodes Scholarship committee that doubted his hobby – reading electrocardiograms, just for kicks – was legit.

From US News • Feb. 4, 2015