Brainiac and Dumbbell
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
Dumbbell
Dumbbell noun - A stupid person.
Cite this Source
Dumbbell and Brainiac. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/brainiac/dumbbell
Brainiac & Dumbbell. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/brainiac/dumbbell>.
Dumbbell or Brainiac. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/brainiac/dumbbell.
Google Ngram Viewer shows how "brainiac" and "dumbbell" have occurred on timeline