Confirmable and Doubtful

Confirmable

Confirmable adjective - Capable of being proven as true or real.

Doubtful is an antonym for confirmable in topics: certain, undoubtable.

Doubtful

Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.

Confirmable is an antonym for doubtful.

Cite this Source
Doubtful and Confirmable. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/confirmable/doubtful
Confirmable & Doubtful. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/confirmable/doubtful>.
Doubtful or Confirmable. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/confirmable/doubtful.
Google Ngram Viewer shows how "confirmable" and "doubtful" have occurred on timeline