Doubtful and Trustable

Doubtful

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

Trustable is an antonym for doubtful.

Trustable

Trustable adjective - Worthy of one's trust.
Usage example: a Web site that is a trustable source of biographical information

Doubtful is an antonym for trustable in reliable topic.
Cite this Source
Trustable and Doubtful. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/doubtful/trustable
Doubtful & Trustable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/doubtful/trustable>.
Trustable or Doubtful. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/doubtful/trustable.
Google Ngram Viewer shows how "doubtful" and "trustable" have occurred on timeline