Doubtful and Doubtable

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".

Doubtable

Doubtable adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: her argument rested entirely upon some highly doubtable logic

Doubtful and doubtable are semantically related in at issue topic. You can use "Doubtful" instead an adjective "Doubtable".

Nearby Words: doubt, doubtful, doubting, doubted, doubter
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