Cross the rubicon Meaning in English
expression
Definition
To make a decision or take an action that cannot be undone, often leading to significant or permanent consequences.
Usage & Nuances
This expression is formal or literary and refers to a point of no return. It's usually used in serious contexts, often about bold or risky decisions, e.g., 'He knew he was crossing the Rubicon by quitting his job.' Not used for trivial choices.
Example Sentences
By telling the truth in court, she crossed the Rubicon.
basic
When the company fired its CEO, it really crossed the Rubicon.
basic
Moving to another country was how they crossed the Rubicon.
basic
Quitting my job was me really crossing the Rubicon—there was no going back.
natural
Once you announce your plan to everyone, you’ve crossed the Rubicon.
natural
We knew that by signing the contract, we’d cross the Rubicon and there’d be no turning back.
natural