Thesaurus.com
Dictionary.com
Definitions

Rubicon

[roo-bi-kon] / ˈru bɪˌkɒn /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Neither ever crossed the Rubicon in a way that would mobilize Americans to war, so we finally crossed the Rubicon ourselves.

From Barron's • Mar. 12, 2026

“The world’s most important commodity has crossed the Rubicon, and the ripple effects are only beginning to spread,” Stephen Innes, managing partner at SPI Asset Management, said in a Sunday note.

From MarketWatch • Mar. 8, 2026

They respect the skills of the elite Russian drone units they said were called Rubicon and Day of Judgement.

From BBC • Feb. 24, 2026

The report singled out one group, Altadena Talks Foundation, from Team Rubicon relief worker Toni Raines.

From Los Angeles Times • Jan. 6, 2026

Thus I have moral certainty that Caesar crossed the Rubicon, and moral certainty that Pascal accurately reported the Puy-de-Dôme experiment.

From "The Invention of Science" by David Wootton