Decisive
Incidental
Incidental adjective - Lacking importance.
Usage example: we still have to work out a few incidental details, but the proposal is largely complete
Decisive is an antonym for incidental.
Both words in one sentence
- Napoleon similarly said "The outcome of the battle is incidental to the decisive question of supply." He lost his campaign in Egypt, for instance, because the British Navy destroyed the French fleet that was providing Napoleon's army with supplies.
Source: Boring But Practical / Real Life
Cite this Source
Incidental and Decisive. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/decisive/incidental
Decisive & Incidental. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/decisive/incidental>.
Incidental or Decisive. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/decisive/incidental.
Google Ngram Viewer shows how "decisive" and "incidental" have occurred on timeline