Smart and Thickheaded
Opposite meaning words
Smart
Smart adjective - Having or showing a practical cleverness or judgment.
Usage example: a smart investment that has really paid off
Thickheaded is an antonym for smart.
Thickheaded
Thickheaded adjective - Not having or showing an ability to absorb ideas readily.
Usage example: don't suppose that he's thickheaded just because he doesn't understand English very well
Smart is an antonym for thickheaded.
Cite this Source
Thickheaded and Smart. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/smart/thickheaded
Smart & Thickheaded. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/smart/thickheaded>.
Thickheaded or Smart. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/smart/thickheaded.
Google Ngram Viewer shows how "smart" and "thickheaded" have occurred on timeline