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.

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

“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

Julius Caesar’s army wouldn’t have left such a mess after crossing the Rubicon.

From "The Wednesday Wars" by Gary D. Schmidt