Crucial
Crucial adjective - Of the greatest possible importance.
Incidental is an antonym for crucial.
Nearby Word: crucially
Incidental
Incidental adjective - Happening by chance.
Both words in one sentence
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Recurrent incidental character Eli was earlier left in limbo forever after actor Danny O'Dea died, even though he appeared in most episodes over 15 years; since he was rarely crucial to the plot and wasn't closely related to any other characters, his ultimate fate remained unmentioned.
Source: Series / Last of the Summer Wine
Cite this Source
Incidental and Crucial. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/crucial/incidental
Crucial & Incidental. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/crucial/incidental>.
Incidental or Crucial. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/crucial/incidental.
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