Jump To:

• 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.

---

Monroe doctrine British  

noun

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

---

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.

---

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

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

From BBC • Jan. 24, 2026

This, as Mr. Ferguson notes, echoes Theodore Roosevelt’s so-called Roosevelt Corollary to the Monroe Doctrine, first set forth in 1904.

From The Wall Street Journal • Dec. 8, 2025

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