Doubtful and Unknowledgeable

Doubtful

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

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

Unknowledgeable

Unknowledgeable adjective - Unaware because of a lack of relevant information or knowledge.

Doubtful and unknowledgeable are semantically related. Sometimes you can use "Doubtful" instead an adjective "Unknowledgeable".
Cite this Source
Unknowledgeable and Doubtful. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/doubtful/unknowledgeable
Doubtful & Unknowledgeable. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/doubtful/unknowledgeable>.
Unknowledgeable or Doubtful. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/doubtful/unknowledgeable.
Google Ngram Viewer shows how "doubtful" and "unknowledgeable" have occurred on timeline