Knuckleheaded and Quick
Opposite meaning words
Knuckleheaded
Knuckleheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: the editorial lampooned the knuckleheaded legislation, which was yet another attempt by the government to protect people from themselves
Quick is an antonym for knuckleheaded.
Quick
Quick adjective - Having or showing quickness of mind.
Usage example: a quick lad, he immediately caught on to how the machinery operated
Knuckleheaded is an antonym for quick.
Cite this Source
Quick and Knuckleheaded. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/knuckleheaded/quick
Knuckleheaded & Quick. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/knuckleheaded/quick>.
Quick or Knuckleheaded. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/knuckleheaded/quick.
Google Ngram Viewer shows how "knuckleheaded" and "quick" have occurred on timeline