Truthful and Unfounded

Opposite meaning words

Truthful adjective - Being in the habit of telling the truth.

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Unfounded is an antonym for truthful.

Unfounded adjective - Having no basis in reason or fact.

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Truthful is an antonym for unfounded in not based on fact topic.

Nearby Word: unfoundedly

Cite this Source

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

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

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

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