Doubtful
Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Postulated and doubtful are semantically related. In some cases you can use "Postulated" instead an adjective "Doubtful".
Postulated
Doubtful and postulated are semantically related. Sometimes you can use "Doubtful" instead an adjective "Postulated".
Nearby Words: postulate, postulating
Mutual synonyms
Cite this Source
Postulated and Doubtful. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/doubtful/postulated
Doubtful & Postulated. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/doubtful/postulated>.
Postulated or Doubtful. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/doubtful/postulated.
Google Ngram Viewer shows how "doubtful" and "postulated" have occurred on timeline