Not solid and Rational
Opposite meaning terms
Not solid
Rational
Rational adjective - Having the ability to reason.
Cite this Source
Rational and Not solid. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/not_solid/rational
Not solid & Rational. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/not_solid/rational>.
Rational or Not solid. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/not_solid/rational.
Google Ngram Viewer shows how "not solid" and "rational" have occurred on timeline