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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

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"The Monroe Doctrine is a big deal, but we've superseded it by a lot," Trump said at Mar-a-Lago.

From BBC ● Jan. 4, 2026

In 1904, the United States announced the “Roosevelt Corollary” to the Monroe Doctrine.

From Salon ● Dec. 9, 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

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

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

From The Wall Street Journal ● Jan. 5, 2026

The Monroe doctrine, as all Americans know, took its rise from certain words in a Presidential message of Mr. Monroe in 1822, though they were inserted in the message by Mr. Adams.

From France in the Nineteenth Century by Elizabeth Latimer

The bombardment of Cadiz would have no more to do with the Monroe doctrine than with the attraction of gravitation.

From The Works of Robert G. Ingersoll, Vol. 12 (of 12) Dresden Edition?Miscellany by Robert Green Ingersoll

We assert our steadfast adherence to the policy announced in the Monroe doctrine.

From A History of the Republican Party by George Washington Platt