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.

Ukraine's military said it hit the headquarters of Russia's elite Rubicon drone military unit in Starobilsk.

From BBC • May 22, 2026

Schneiderman said it is "highly unlikely that the US will choose to use nuclear weapons against Iran. It is the ultimate Rubicon to cross."

From Barron's • Apr. 7, 2026

But history shows the current battle for the strait is just the latest iteration of a centuries-old fight to control the critical trade route—and why it has become a Rubicon for American presidents.

From The Wall Street Journal • Mar. 22, 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

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