Rubicon

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the boundary in ancient times between Italy and Gaul;
Caesar's crossing it with his army in 49 BC was an act of war
• Instance Hypernyms:
boundary, bound, bounds
2. a line that when crossed permits of no return and typically results in irrevocable commitment
• Syn:
point of no return
• Hypernyms:
line, dividing line, demarcation, contrast

• Từ đồng nghĩa / Synonyms:
  Rubicon, point of no return