Brainiac and Numskull

Brainiac

Brainiac noun - A very smart person.
Usage example: a techie who always has to have the latest gadget that the brainiacs in Silicon Valley have cooked up

Numskull is an antonym for brainiac.

Numskull

Numskull noun - A stupid person.

Brainiac is an antonym for numskull.
Cite this Source
Numskull and Brainiac. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/brainiac/numskull
Brainiac & Numskull. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/brainiac/numskull>.
Numskull or Brainiac. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/brainiac/numskull.
Google Ngram Viewer shows how "brainiac" and "numskull" have occurred on timeline