Rubicon

/ðə ˈruːbɪkɑːn/
noun

An action or decision that cannot be undone or reversed, usually leading to a significant change or point of no return.

With the invasion of their homeland, the people knew they had crossed the rubicon, there was no turning back now.
Visual representation of "rubicon" - An action or decision that cannot be undone or reversed, usually leading to a significant change or point of no return.

Often appears as...

  • cross the rubicon
  • rubicon has been crossed

Usage tips

Formal

Idiomatic

noun

An action or decision that cannot be undone or reversed, usually leading to a significant change or point of no return.

With the invasion of their homeland, the people knew they had crossed the rubicon, there was no turning back now.
Visual representation of "rubicon" - An action or decision that cannot be undone or reversed, usually leading to a significant change or point of no return.

Often appears as...

  • cross the rubicon
  • rubicon has been crossed

Usage tips

Formal

Idiomatic

Definition 1 of 1
Visual representation of "rubicon"
LampPro Tip 1/3

Historical Reference

The term 'rubicon' originates from Julius Caesar's irreversible step of crossing the Rubicon river, a historical event.

Illustration for Historical Reference
After quitting his job, he felt like he had crossed the rubicon, starting a new life chapter.
LampPro Tip 2/3

Irreversible Action

'Rubicon' signifies a decision made is final and there's no going back.

Illustration for Irreversible Action
Choosing to disclose the secret, she knew she was crossing the rubicon.
LampPro Tip 3/3

Metaphorical Use

Often used metaphorically to express a critical decision or action with far-reaching consequences.

Illustration for Metaphorical Use
The company's move to buy its competitor was, indeed, crossing the rubicon.
Visual representation of the word "Rubicon"

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Video examples

Lessons we can learn...

women had earned the right to kick back and relax during moments of national crisis but they wouldn't when they saw the television images of the tornadoes aftermath they knew they had to help I spent several days accompanying the team rubicon volunteers

Video examples

Lessons we can learn...

women had earned the right to kick back and relax during moments of national crisis but they wouldn't when they saw the television images of the tornadoes aftermath they knew they had to help I spent several days accompanying the team rubicon volunteers

Example 1 of 1
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