the Rubicon


: a limit or point that is reached when the results of one's actions cannot be changed
Once you've crossed the Rubicon there's no going back.

Examples of the Rubicon in a Sentence

Recent Examples on the Web But experts now believe OpenAI crossed the Rubicon and there is no going back to the way things were, even if Altman’s in-house rivals, among them Ilya Sutskever, wish for nothing more. Bychristiaan Hetzner, Fortune, 24 Nov. 2023 His album of the same name, from 2020, is full of glorious Americana, with scenes—from Key West to the Rubicon, the grassy knoll to the city of God—etched by his seasoned delivery. Condé Nast, The New Yorker, 10 Nov. 2023 The kits are available for the Rubicon and—for the first time—the more affordable Willys model. Eric Stafford, Car and Driver, 23 Aug. 2023 First, once one prosecutor crossed the Rubicon by teeing up criminal charges against former president Donald Trump, other prosecutors would step up the pace of their Trump investigations. Andrew C. McCarthy, National Review, 22 Mar. 2023 Alvin Bragg crossed the Rubicon. The Editors, National Review, 31 Mar. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'the Rubicon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Dictionary Entries Near the Rubicon

Cite this Entry

“The Rubicon.” Dictionary, Merriam-Webster, Accessed 27 Feb. 2024.

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