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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

See Examples For:

Monroe Doctrine Monroe doctrine

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

These interventions were all functions of the Monroe Doctrine, first promulgated by President James Monroe in 1823.

From BBC ● Jan. 24, 2026

In 1904, frustrated with growing instability in Latin America, Roosevelt said he would modify the 1823 Monroe Doctrine that set out to claim American pre-eminence over the hemisphere and protect it from European meddling.

From The Wall Street Journal ● Jan. 6, 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

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

The Monroe doctrine acquired its imperialist character around 1900 under presidents William McKinley and Theodore Roosevelt.

From The Wall Street Journal ● Jan. 5, 2026

One reason the Monroe doctrine and empire building went out of fashion was that colonies and client states wanted out.

From The Wall Street Journal ● Jan. 5, 2026

Moreover, the Monroe doctrine, destined later to excite so much discussion, already existed in embryo in the minds of the statesmen of the day.

From Celebrated Travels and Travellers Part III. The Great Explorers of the Nineteenth Century by D'Anvers, N.

Adams, C. F., on beginning of Adams's diary, 6; on Adams's statement of Monroe doctrine, 131.

From John Quincy Adams American Statesmen Series by Morse, John T. (John Torrey)

It will be said, of course, that America is competent to take care of itself and its Monroe doctrine in the future as in the past.

From An Inquiry Into The Nature Of Peace And The Terms Of Its Perpetuation by Veblen, Thorstein