Ill-founded and Valid

Opposite meaning words

Definitions of Ill-founded not found.

Valid is an antonym for ill-founded in worthless topic.

Valid adjective - According to the rules of logic.

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Ill-founded is an antonym for valid.

Nearby Words: validity, validation

Cite this Source

Valid and Ill-founded. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/ill-founded/valid

Ill-founded & Valid. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/ill-founded/valid>.

Valid or Ill-founded. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/ill-founded/valid.