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the Rubicon

NOUN

critical mass

Synonyms

WEAK

climax crisis crisis point critical juncture critical point critical stage crossroads crucial moment crunch time decisive moment defining moment do or die time emergency high noon irreversible momentum moment of truth pivotal point point of no return sink or swim time turning point zero hour

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.

“It was a crossing of the Rubicon moment,” Hassabis remembered.

From The Wall Street Journal • Mar. 25, 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

Organisers of the Rubicon festival in Slovakia announced that the event – planned for next weekend – had been cancelled "due to external pressure and logistical challenges".

From BBC • Jul. 10, 2025

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

the Rubicon

Example Sentences

Related Words