Cross the Rubicon.
English
idiom
To do something that you can never undo.
Trusted by1.5M+English learners & teachers worldwide
To do something that you can never undo.
Trusted by1.5M+English learners & teachers worldwide
To make a decision or take an action you cannot undo.
When you cross the Rubicon, you commit yourself fully, knowing you cannot go back to where you started.
The phrase comes from Julius Caesar's fateful decision to cross the Rubicon River in 49 BC, which started a civil war.
"Burn Your Bridges"
—
To permanently damage a relationship or future opportunity
"Take the Plunge"
—
To commit to a risky decision after a period of hesitation
"Cross the Rubicon"
—
A final, permanent commitment with no way to turn back
Are we ready to sign? Once we do, we've crossed the Rubicon on this partnership.
Let's give it one last review. I want to be certain before we commit.
Did you tell them you're leaving the country?
Yes — crossed the Rubicon yesterday. Flights are booked and everything is in motion.
The startup turned down a hundred-million-dollar buyout — that's a bold move.
They've crossed the Rubicon — now they have to make it work entirely on their own terms.
