Foundationless and Justified

Opposite meaning words

Foundationless adjective - Having no basis in reason or fact.

Usage example: a careful investigation proved that the charges were foundationless

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Justified is an antonym for foundationless in topics: justification, unwarranted, not reasonable or right, not based on fact, without substantiation.

Justified adjective - Based on sound reasoning or information.

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Foundationless is an antonym for justified.

Cite this Source

Justified and Foundationless. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/foundationless/justified

Foundationless & Justified. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/foundationless/justified>.

Justified or Foundationless. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/foundationless/justified.

Google Ngram Viewer shows how "foundationless" and "justified" have occurred on timeline