Organization of American States

American  

noun

1. an organization formed in 1948 for the purpose of coordinated action in economic, political, and military matters: members are Antigua and Barbuda, Argentina, Bahamas, Barbados, Belize, Bolivia, Brazil, Canada, Chile, Colombia, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, El Salvador, Grenada, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Peru, St. Kitts-Nevis, St. Lucia, St. Vincent and the Grenadines, Suriname, Trinidad and Tobago, United States, Uruguay, and Venezuela. OAS

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Organization of American States British  

noun

1.  OAS.  an association consisting of the US and other republics in the W hemisphere, founded at Bogotá in 1948 to promote military, economic, social, and cultural cooperation among the member states See also Pan American Union

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Organization of American States Cultural  

1. An international organization that includes the United States and over thirty nations in Latin America. It was founded in the 1940s to promote the peaceful settlement of disputes and economic cooperation among members.

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Example Sentences

But the U.S. ambassador to the Organization of American States estimated last week that 1,000 remain behind bars.

From The Wall Street Journal • Jan. 25, 2026

It’s something that had waned over the years and been replaced by a greater emphasis on regional cooperation through institutions like the Organization of American States, and by U.S. soft power projected through development projects.

From Slate • Jan. 6, 2026

Observers from the Organization of American States were deployed to Guyana for the election and have not yet reported any instances of electoral fraud.

From BBC • Sep. 4, 2025

Many experts say no — despite the opposition’s vow to file a complaint with the Organization of American States, a move that may be more symbolic than substantial.

From Los Angeles Times • Jun. 2, 2025

Speaking from his hospital bed, Betancourt announced he has again filed charges with the Organization of American States.

From "In the Time of the Butterflies" by Julia Alvarez