two party

/ˈtuːˌpɑrti/
adjective
  1. Relating to a political system in which two major parties dominate the government.
    • Many critics argue that a two-party system limits voter choice.
    • In a two-party democracy, third-party candidates rarely win national elections.
    • The United States is often described as having a two-party system, with Democrats and Republicans.
Antonyms
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