Boneheaded and Fast
Opposite meaning words
Boneheaded
Boneheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: a product with a warning label that even the most boneheaded consumer should be able to understand
Fast is an antonym for boneheaded.
Fast
Fast adjective - Having or showing quickness of mind.
Usage example: I don't know how to operate this machine, but I'm a fast learner
Boneheaded is an antonym for fast.
Cite this Source
Fast and Boneheaded. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/boneheaded/fast
Boneheaded & Fast. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/boneheaded/fast>.
Fast or Boneheaded. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/boneheaded/fast.
Google Ngram Viewer shows how "boneheaded" and "fast" have occurred on timeline