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Rubicon Definition

Ru·bi·con (ro̵̅o̅′bi kän′)

small river in N Italy that formed the boundary between Cisalpine Gaul & the Roman Republic: when Caesar crossed it (49 ) at the head of his army to march on Rome, he began the civil war with Pompey

Etymology: L Rubico (gen. Rubiconis)

Rubicon Idioms

cross the Rubicon

to commit oneself to a definite act or decision; take a final, irrevocable step

Browse dictionary entries near Rubicon

  1. ‹ rubescent
  2. ‹ rubeola
  3. ‹ Rubens
  4. ‹ Rubenesque
  5. ‹ rubellite
  6. ‹ rubella
  7. ‹ rubefaction
  8. ‹ rubefacient
  9. ‹ Rube Goldberg
  10. ‹ rube
  1. rubicund ›
  2. rubidium ›
  3. rubied ›
  4. rubiginous ›
  5. Rubin, Robert ›
  6. Rubinstein ›
  7. rubious ›
  8. ruble ›
  9. rubric ›
  10. rubrical ›