Doubtful
Doubtful adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: the election results were highly doubtful, so an investigation was begun
Doubtable and doubtful are semantically related in questionable topic. In some cases you can use "Doubtable" instead an adjective "Doubtful".
Mutual synonyms
Related pairs
- suspect and doubtful
- suspect and doubtable
- dubious and doubtful
- dubious and doubtable
- questionable and doubtful
- questionable and doubtable
- ambiguous and doubtful
- ambiguous and doubtable
- queer and doubtful
- queer and doubtable
- shady and doubtful
- shady and doubtable
- suspicious and doubtful
- suspicious and doubtable
Cite this Source
Doubtable and Doubtful. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/doubtful/doubtable
Doubtful & Doubtable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/doubtful/doubtable>.
Doubtable or Doubtful. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/doubtful/doubtable.
Google Ngram Viewer shows how "doubtful" and "doubtable" have occurred on timeline