Nonrational and Solid
Opposite meaning words
Nonrational
Nonrational adjective - Not using or following good reasoning.
Usage example: was so upset that he was completely nonrational for a moment
Solid is an antonym for nonrational.
Solid
Solid adjective - Based on sound reasoning or information.
Usage example: the only solid conclusion that the jury could have reached
Nonrational is an antonym for solid.
Cite this Source
Solid and Nonrational. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/nonrational/solid
Nonrational & Solid. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/nonrational/solid>.
Solid or Nonrational. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/nonrational/solid.
Google Ngram Viewer shows how "nonrational" and "solid" have occurred on timeline