Simpleminded and Sound
Opposite meaning words
Simpleminded
Simpleminded adjective - Showing or marked by a lack of good sense or judgment.
Usage example: scornful of their simpleminded belief that their parents would always be there to take care of them
Sound is an antonym for simpleminded.
Sound
Sound adjective - According to the rules of logic.
Usage example: sound reasoning alone should tell you that the result is invalid
Simpleminded is an antonym for sound.
Cite this Source
Sound and Simpleminded. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/simpleminded/sound
Simpleminded & Sound. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/simpleminded/sound>.
Sound or Simpleminded. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/simpleminded/sound.
Google Ngram Viewer shows how "simpleminded" and "sound" have occurred on timeline