Smart as a tack and Unintelligent
Opposite meaning terms
Smart as a tack
Unintelligent
Unintelligent adjective - Not having or showing an ability to absorb ideas readily.
Smart as a tack is an antonym for unintelligent.
Cite this Source
Unintelligent and Smart as a tack. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/smart_as_a_tack/unintelligent
Smart as a tack & Unintelligent. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/smart_as_a_tack/unintelligent>.
Unintelligent or Smart as a tack. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/smart_as_a_tack/unintelligent.