Doubtable and Speculative

Doubtable

Doubtable adjective - Open to question or dispute.
Usage example: that his wartime exploit happened at all is very doubtable

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

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

Speculative

Speculative adjective - Existing only as an assumption or speculation.

Doubtable and speculative are semantically related. Sometimes you can use "Doubtable" instead an adjective "Speculative".

Cite this Source
Speculative and Doubtable. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/doubtable/speculative
Doubtable & Speculative. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/doubtable/speculative>.
Speculative or Doubtable. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/doubtable/speculative.
Google Ngram Viewer shows how "doubtable" and "speculative" have occurred on timeline