United States of America

American  

[yoo-nahy-tid steyts uhv uh-mer-i-kuh] / juˈnaɪ tɪd ˈsteɪts əv əˈmɛr ɪ kə /

noun

1. official name of the United States. U.S.A., USA

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United States of America British  

noun

1. Often shortened to: United States.   US.   USA.  (functioning as singular or plural) a federal republic mainly in North America consisting of 50 states and the District of Columbia: colonized principally by the English and French in the 17th century, the native Indians being gradually defeated and displaced; 13 colonies under British rule made the Declaration of Independence in 1776 and became the United States after the War of American Independence. The northern states defeated the South in the Civil War (1861–65). It is the world's most productive industrial nation and also exports agricultural products. It consists generally of the Rocky Mountains in the west, the Great Plains in the centre, the Appalachians in the east, deserts in the southwest, and coastal lowlands and swamps in the southeast. Language: predominantly English; Spanish is also widely spoken. Religion: Christian majority. Currency: dollar. Capital: Washington, DC. Pop: 316 668 567 (2013 est). Area: 9 518 323 sq km (3 675 031 sq miles)

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Etymology

Origin of United States of America

First recorded in 1770–80

Example Sentences

"This is a gift to the United States of America," Trump said last month as he took reporters on a tour of the building site, shouting over the noise of hammers and buzzsaws.

From Barron's • Jun. 16, 2026

“We would like to thank the United States of America and the Islamic Republic of Iran for their commitment to finding a diplomatic solution to the conflict,” Sharif wrote in a post on X.

From Los Angeles Times • Jun. 14, 2026

“Following intensive talks, we are pleased to announce that the Peace Deal between the United States of America and Islamic Republic of Iran has been REACHED,” he wrote.

From Salon • Jun. 14, 2026

During Clarke's near seven-year reign, supporters have learned to expect fierce loyalty and little change, but there are still a few tight calls for seats on the plane to the United States of America.

From BBC • May 18, 2026

It rains on this inconsequential town more than any other place in the United States of America.

From "Twilight" by Stephenie Meyer