Crucial and Decisive

Crucial

Crucial adjective - Of the greatest possible importance.
Usage example: water is crucial to our survival

Decisive is a synonym for crucial in critical topic. In some cases you can use "Decisive" instead an adjective "Crucial", when it comes to topics like decide, momentous, vital, pivotal. popular alternative

Nearby Word: crucially

Decisive

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

Crucial is a synonym for decisive in decide topic. You can use "Crucial" instead an adjective "Decisive", if it concerns topics such as definite, momentous, vital, pivotal. popular alternative

Both words in one sentence

  • Red Scare It was the German scientist Klaus Fuchs who gave the crucial information that sped up the Soviet atomic program (yet he was imprisoned where the Rosenbergs, who were not as decisive, were executed).
    Source: Red Scare
Cite this Source
Decisive and Crucial. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/crucial/decisive
Crucial & Decisive. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/crucial/decisive>.
Decisive or Crucial. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/crucial/decisive.
Google Ngram Viewer shows how "crucial" and "decisive" have occurred on timeline