Reasoned and Unfounded

Opposite meaning words

Reasoned adjective - Based on sound reasoning or information.

Usage example: a candidate with a reasoned stance on this important issue

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Unfounded is an antonym for reasoned.

Unfounded adjective - Having no basis in reason or fact.

Usage example: the accusation proved to be unfounded

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Reasoned is an antonym for unfounded.

Nearby Word: unfoundedly

Cite this Source

Unfounded and Reasoned. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/reasoned/unfounded

Reasoned & Unfounded. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/reasoned/unfounded>.

Unfounded or Reasoned. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/reasoned/unfounded.

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