Doubtable and Impugnable

Doubtable

Doubtable adjective - Giving good reason for being doubted, questioned, or challenged.

Impugnable and doubtable are semantically related in questionable topic. In some cases you can use "Impugnable" instead an adjective "Doubtable", when it comes to topics like doubtful.

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

Impugnable

Impugnable adjective - Subject to being discredited.

Doubtable and impugnable are semantically related in questionable topic. Sometimes you can use "Doubtable" instead an adjective "Impugnable", if it concerns topics such as doubtful.
Cite this Source
Impugnable and Doubtable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/doubtable/impugnable
Doubtable & Impugnable. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/doubtable/impugnable>.
Impugnable or Doubtable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/doubtable/impugnable.
Google Ngram Viewer shows how "doubtable" and "impugnable" have occurred on timeline