Defensible and Unfounded

Opposite meaning words

Defensible adjective - Capable of being defended with good reasoning against verbal attack.

Usage example: there's simply no defensible reason for dropping out of school

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Unfounded is an antonym for defensible.

Nearby Words: defend, defense, defensive

Unfounded adjective - Having no basis in reason or fact.

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Defensible is an antonym for unfounded.

Nearby Word: unfoundedly

Cite this Source

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

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

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

Google Ngram Viewer shows how "defensible" and "unfounded" have occurred on timeline