Doubtable and 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. In some cases you can use "Doubtful" instead an adjective "Doubtable".

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

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. You can use "Doubtable" instead an adjective "Doubtful".

Cite this Source
Doubtful and Doubtable. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/doubtable/doubtful
Doubtable & Doubtful. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/doubtable/doubtful>.
Doubtful or Doubtable. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/doubtable/doubtful.
Google Ngram Viewer shows how "doubtable" and "doubtful" have occurred on timeline