Decisive and Peremptory

Decisive

Decisive adjective - Determining or having the power to determine an outcome.
Usage example: cast the decisive vote

Peremptory is a synonym for decisive in definite topic. In some cases you can use "Peremptory" instead an adjective "Decisive".

Peremptory

Peremptory adjective - Putting an end to all debate or action.
Usage example: a peremptory decree

Decisive is a synonym for peremptory in incontrovertible topic. You can use "Decisive" instead an adjective "Peremptory", if it concerns topics such as overbearing.
Cite this Source
Peremptory and Decisive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/decisive/peremptory
Decisive & Peremptory. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/decisive/peremptory>.
Peremptory or Decisive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/decisive/peremptory.
Google Ngram Viewer shows how "decisive" and "peremptory" have occurred on timeline