Foundationless and Reasoned
Opposite meaning words
Foundationless
Foundationless adjective - Having no basis in reason or fact.
Usage example: a careful investigation proved that the charges were foundationless
Reasoned is an antonym for foundationless.
Reasoned
Reasoned adjective - Based on sound reasoning or information.
Foundationless is an antonym for reasoned.
Cite this Source
Reasoned and Foundationless. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/foundationless/reasoned
Foundationless & Reasoned. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/foundationless/reasoned>.
Reasoned or Foundationless. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/foundationless/reasoned.
Google Ngram Viewer shows how "foundationless" and "reasoned" have occurred on timeline