brainiac

[ brey-nee-ak ]

noun

1. a highly intelligent person.

brainiac

/ ˈbreɪnɪˌæk /

noun

1. informal.
   a highly intelligent person

Word History and Origins

Origin of brainiac¹

From Brainiac, a superintelligent, villainous alien in the Superman comics, probably brain + (man)iac

Word History and Origins

Origin of brainiac¹

C20: from a super-intelligent character in an American comic strip

Example Sentences

Except for maybe his brainiac wife… but she could do better anyway.

From The Daily Beast

“Scientists know now that being a brainiac is not so much about IQ but about executive function,” Golinkoff asserts.

From The Daily Beast