Rubicon

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.

"But it was a little bit more than that. It was forging through a Rubicon that was never forged through before. It was debated in the Houses of Parliament," he said.

From BBC • Apr. 10, 2026

More recently, Hormuz and the Persian Gulf have been a Rubicon for American presidents, sometimes defining their foreign policy and taste for exercising military power.

From The Wall Street Journal • Mar. 21, 2026

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

At some point, the proverbial Rubicon will be crossed, and there may be serious cause for alarm.

From MarketWatch • Jan. 13, 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