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• Monroe Doctrine
  Monroe Doctrine

  noun

  the policy, as stated by President Monroe in 1823, that the U.S. opposed further European colonization of and interference with independent nations in the Western Hemisphere.
• Monroe doctrine
  Monroe doctrine

  noun

  a principle of US foreign policy that opposes the influence or interference of outside powers in the Americas

Monroe Doctrine

American  

noun

U.S. History.

1. the policy, as stated by President Monroe in 1823, that the U.S. opposed further European colonization of and interference with independent nations in the Western Hemisphere.

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Monroe doctrine British  

noun

1. a principle of US foreign policy that opposes the influence or interference of outside powers in the Americas

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Monroe Doctrine Cultural  

1. A statement of foreign policy issued by President James Monroe in 1823, declaring that the United States would not tolerate intervention by European nations in the affairs of nations in the Americas. Monroe also promised that the United States would not interfere with European colonies already established or with governments in Europe.

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Example Sentences

Seen through this lens, the Monroe Doctrine was more a defensive crouch than the posture of a global hegemon.

From Barron's • Mar. 20, 2026

He dusted off the Monroe Doctrine – an early 19th Century American foreign policy that asserted the Western Hemisphere should be free from influence by European powers – and rebranded it the "Donroe Doctrine".

From BBC • Jan. 3, 2026

The Monroe Doctrine dates back to the U.S. president in 1823 who articulated his opposition to further European colonization of Latin America which he asserted would henceforth be a U.S. sphere of influence.

From MarketWatch • Oct. 30, 2025

One analyst called it, “The Donroe Doctrine,” a play on the 19th-century Monroe Doctrine guiding U.S. policy toward the region.

From The Wall Street Journal • Sep. 27, 2025

It can stand in for anything—a stuffed piranha, existentialism, the Monroe Doctrine, or buttered toast.

From "Woe Is I" by Patricia T. O'Conner