the Rubicon

noun

: 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.

Browse Nearby Entries

Cite this Entry

“The Rubicon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20Rubicon. Accessed 27 Feb. 2025.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!