Empty-headed and Rational

Empty-headed

Empty-headed adjective - Not having or showing an ability to absorb ideas readily.
Usage example: she sometimes plays the stereotypical empty-headed blonde to trick people into underestimating her

Rational is an antonym for empty-headed.

Rational

Rational adjective - Having the ability to reason.

Empty-headed is an antonym for rational.

Cite this Source
Rational and Empty-headed. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/empty-headed/rational
Empty-headed & Rational. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/empty-headed/rational>.
Rational or Empty-headed. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/empty-headed/rational.