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.
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cross the Rubicon
American Heritage Dictionary of Idioms:
cross the Rubicon |
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cross the Rubicon |
Related topics:
 | Rubicon (river, ancient Rome/Italy) |
| burn one's bridges (Idiom) |
| Rubicon |
Related answers:
 | Why did Julius Caesar cross river Rubicon? Read answer... |
| Is it cross reference with or cross reference to? Read answer... |
| Cross to bear or cross to bare? Read answer... |
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 | What countries does the river Rubicon cross? |
| Why did Caesar cross the river rubicon? |
| Why did Cesar cross the Rubicon with his army? |
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 | American Heritage Dictionary of Idioms. The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Company. All rights reserved. Read more |
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