English dictionary

Rubicon

/'r/u/b/@/,k/A/n/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

the boundary in ancient times between Italy and Gaul; Caesar's crossing it with his army in 49 BC was an act of war

noun.location

Source: WordNet 3.0
a line that when crossed permits of no return and typically results in irrevocable commitment

noun.cognition

Synonyms point of no return

Source: WordNet 3.0
A small river which separated Italy from Cisalpine Gaul, the province alloted to Julius Cæsar.

noun

Source: webster1913