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"The Monroe Doctrine is a big deal, but we've superseded it by a lot," Trump said at Mar-a-Lago.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

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

My solemn belief is, that I have been sacrificed to a firm and honest belief in the Monroe doctrine; which, singularly enough, had its origin in English minds.

From The Adventures of My Cousin Smooth by Templeton, Timothy

The Monroe doctrine, as it is called, was first broached by Jefferson.

From Thomas Jefferson by Merwin, Henry Childs

The other day I saw in the paper an extract, I think, from Goldwin Smith, in which he says that if we were to bombard Cadiz we would give up the Monroe doctrine.

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