ALL meanings of cross the rubicon
cross the Ru·bi·con
C c - phrase cross the rubicon If you say that someone has crossed the Rubicon, you mean that they have reached a point where they cannot change a decision or course of action. 3
- noun cross the rubicon to commit oneself irrevocably to some course of action 3
- noun cross the rubicon to commit oneself to a definite act or decision; take a final, irrevocable step 3
- noun cross the rubicon a river in N Italy flowing E into the Adriatic. 15 miles (24 km) long: in crossing this ancient boundary between Cisalpine Gaul and Italy, to march against Pompey in 49 b.c., Julius Caesar made a major military commitment. 1
- idioms cross the rubicon cross / pass the Rubicon, to take a decisive, irrevocable step: Our entry into the war made us cross the Rubicon and abandon isolationism forever. 1
- verb cross the rubicon (Idiomatic) To make an irreversible decision or to take an action with consequences. 0