Decisive and Doubtful

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

Doubtful is an antonym for decisive in crucial topic.

Doubtful

Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Usage example: he was doubtful about the decision to complete the project despite its mounting problems

Decisive is an antonym for doubtful in not believing topic.

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