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| the final battle between two nemeses, in which there can be but one victor | |||
| poker the final round in a poker match, where the all remaining players' cards have to be put down on the table and shown | |||
| a meeting, argument, fight etc that will settle a disagreement or competition that has continued for a long time (The president is preparing for a showdown with Republicans over his plans to reform the economy. • Millions of dollars were spent on lawyers in a courtroom showdown between the two companies. • Britain has a World Cup showdown with Australia next month.) | |||
