Dubious and Decisive

Dubious

Dubious adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: any letter bearing the signature of Geronimo would be of dubious authenticity, to say the least

Decisive is an antonym for dubious.

Nearby Words: dubiety, dubiousness, dubiously

Decisive

Decisive adjective - Fully committed to achieving a goal.
Usage example: only a team with a decisive attitude is going to win a state championship

Dubious is an antonym for decisive.

Cite this Source
Decisive and Dubious. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/dubious/decisive
Dubious & Decisive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/dubious/decisive>.
Decisive or Dubious. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/dubious/decisive.
Google Ngram Viewer shows how "dubious" and "decisive" have occurred on timeline