Unsupported and Valid

Opposite meaning words

Unsupported adjective - Having no basis in reason or fact.

Usage example: an unsupported claim that the structure was built by Vikings

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Valid is an antonym for unsupported.

Valid adjective - Based on sound reasoning or information.

Usage example: only further investigation will show whether your theory is valid

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Unsupported is an antonym for valid.

Nearby Words: validity, validation

Cite this Source

Valid and Unsupported. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/unsupported/valid

Unsupported & Valid. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/unsupported/valid>.

Valid or Unsupported. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/unsupported/valid.

Google Ngram Viewer shows how "unsupported" and "valid" have occurred on timeline