Doubtful
Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Dumbfounded and doubtful are semantically related in puzzled topic. In some cases you can use "Dumbfounded" instead an adjective "Doubtful".
Dumbfounded
Dumbfounded adjective - Affected with sudden and great wonder or surprise.
Doubtful and dumbfounded are semantically related in puzzled topic. Sometimes you can use "Doubtful" instead an adjective "Dumbfounded".
Nearby Word: dumbfounding
Mutual synonyms
Cite this Source
Dumbfounded and Doubtful. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/doubtful/dumbfounded
Doubtful & Dumbfounded. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/doubtful/dumbfounded>.
Dumbfounded or Doubtful. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/doubtful/dumbfounded.
Google Ngram Viewer shows how "doubtful" and "dumbfounded" have occurred on timeline