Brainiac and Know-nothing
Opposite meaning words
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
Know-nothing is an antonym for brainiac.
Know-nothing
Cite this Source
Know-nothing and Brainiac. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/brainiac/know-nothing
Brainiac & Know-nothing. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/brainiac/know-nothing>.
Know-nothing or Brainiac. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/brainiac/know-nothing.
