Internal and Unintelligent

Internal

Internal adjective - Of or relating to the mind.
Usage example: the never-ending internal monologue of the novel's main character

Unintelligent is an antonym for internal.

Unintelligent

Unintelligent adjective - Not having or showing an ability to absorb ideas readily.

Internal is an antonym for unintelligent.
Cite this Source
Unintelligent and Internal. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/internal/unintelligent
Internal & Unintelligent. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/internal/unintelligent>.
Unintelligent or Internal. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/internal/unintelligent.
Google Ngram Viewer shows how "internal" and "unintelligent" have occurred on timeline