Foundationless and Sane
Opposite meaning words
Foundationless
Foundationless adjective - Having no basis in reason or fact.
Usage example: a careful investigation proved that the charges were foundationless
Sane is an antonym for foundationless.
Sane
Sane adjective - Having full use of one's mind and control over one's actions.
Foundationless is an antonym for sane.
Nearby Word: sanity
Cite this Source
Sane and Foundationless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/foundationless/sane
Foundationless & Sane. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/foundationless/sane>.
Sane or Foundationless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/foundationless/sane.
Google Ngram Viewer shows how "foundationless" and "sane" have occurred on timeline