Dubitable and Decisive

Dubitable

Dubitable adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: some highly dubitable “evidence” that the stone tower was built by the Vikings

Decisive is an antonym for dubitable.

Decisive

Decisive adjective - Fully committed to achieving a goal.

Dubitable is an antonym for decisive.

Cite this Source
Decisive and Dubitable. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/dubitable/decisive
Dubitable & Decisive. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/dubitable/decisive>.
Decisive or Dubitable. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/dubitable/decisive.
Google Ngram Viewer shows how "dubitable" and "decisive" have occurred on timeline