cross the Rubicon


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Related to cross the Rubicon: passed the Rubicon

cross the Rubicon

Fig. to do something that inevitably commits one to following a certain course of action. (Alludes to the crossing of the River Rubicon by Julius Caesar with his army, which involved him in a civil war in B.C. 49.) Jane crossed the Rubicon by signing the contract. Find another job before you cross the Rubicon and resign from this one.
See also: cross, Rubicon

cross the Rubicon

(slightly formal)
to make a decision that cannot be changed later When I quit editing and decided to be a writer, I had crossed the Rubicon to an uncertain future.
Etymology: based on Julius Caesar's crossing of the Rubicon River in 49 B.C.E., which began a war
See also: cross, Rubicon

cross the Rubicon

  (formal)
to do something which will have very important results, which cannot be changed later
Usage notes: Julius Caesar started a war by crossing the river Rubicon in Italy.
International pressure may be able to prevent the country crossing the Rubicon to authoritarian rule.
See also: cross, Rubicon

cross the Rubicon

Irrevocably commit to a course of action, make a fateful and final decision. For example, Once he submitted his resignation, he had crossed the Rubicon. This phrase alludes to Julius Caesar's crossing the Rubicon River (between Italy and Gaul) in 49 b.c., thereby starting a war against Pompey and the Roman Senate. Recounted in Plutarch's Lives: Julius Caesar (c. a.d. 110), the crossing gave rise to the figurative English usage by the early 1600s.
See also: cross, Rubicon
References in periodicals archive ?
While the implications of this rising trend are left to the reader, nowhere does the book imply that our combatant commanders are present-day Caesars, about to cross the Rubicon and seize Rome.
Caius Julius Caesar, a Roman general, crossed the ancient watery boundary between Cisaplin Gaul and Italy known as the River Rubicon, thus making immortal the phrase "to cross the Rubicon," meaning "to take a decisive and irrevocable step.
Marcus: But, sir, it is illegal for you to cross the Rubicon with your men.
EVEN though they don't have all their oars in the water, the City Council seems ready to cross the Rubicon over the departure of LAPD Inspector General Katherine Mader.
TWO horses have been doubly declared today: Cross The Rubicon - First pref Plumpton 4.
Thus Caesar's decision to cross the Rubicon was a free act because its cause was internal to Caesar, it was contingent for us, because we cannot perform the infinite analysis to discover within the complete idea of Caesar the predicate that was this action; and it was necessary, both because the complete idea of Caesar does contain this predicate, and because in the best of all possible worlds everything is determined.
The world came to our aid in many ways through political support, development programs, technical assistance and, most of all, nurturing the trust and confidence that drove both sides to cross the Rubicon and forge an enduring peace, Presidential Adviser on the Peace Process Teresita Quintos Deles said during a press conference in Oslo, Norway, as part of Oslo Forum 2014.
An individual becomes so desperate that they cross the Rubicon into an absolute belief system, where you believe you are the sword of the Lord,''Mr Yardley said.