Foundationless and Sober
Opposite meaning words
Foundationless
Foundationless adjective - Having no basis in reason or fact.
Usage example: a careful investigation proved that the charges were foundationless
Sober is an antonym for foundationless.
Sober
Sober adjective - Not having one's mind affected by alcohol.
Foundationless is an antonym for sober.
Cite this Source
Sober and Foundationless. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/foundationless/sober
Foundationless & Sober. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/foundationless/sober>.
Sober or Foundationless. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/foundationless/sober.
Google Ngram Viewer shows how "foundationless" and "sober" have occurred on timeline