Doubtful and Uncorroborated

Doubtful

Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.

Uncorroborated and doubtful are semantically related In some cases you can use "Uncorroborated" instead an adjective "Doubtful".

Uncorroborated

Uncorroborated adjective - Unsupported by other evidence.

Doubtful and uncorroborated are semantically related in questionable topic. Sometimes you can use "Doubtful" instead an adjective "Uncorroborated".
Cite this Source
Uncorroborated and Doubtful. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/doubtful/uncorroborated
Doubtful & Uncorroborated. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/doubtful/uncorroborated>.
Uncorroborated or Doubtful. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/doubtful/uncorroborated.
Google Ngram Viewer shows how "doubtful" and "uncorroborated" have occurred on timeline