Guam
Americannoun
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an island, belonging to the United States, in the northern Pacific, east of the Philippines: the largest of the Marianas group; U.S. naval station. 206 sq. mi. (535 sq. km). Agaña. GU (for use with zip code).
noun
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an island in the N Pacific, the largest and southernmost of the Marianas: belonged to Spain from the 17th century until 1898, when it was ceded to the US; site of naval and air force bases. Capital: Agana (now officially spelt Hagåtña). Pop: 160 378 (2013 est). Area: 541 sq km (209 sq miles)
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A self-governing island territory of the United States, located in the western Pacific Ocean. With important naval and air bases, Guam is an American military bastion in the Pacific.
Other Word Forms
- Guamanian noun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The attack on the base, as well as similar attacks in the Philippines and Guam, spurred the United States to declare war on Japan.
From Salon • Mar. 19, 2026
Guam and Puerto Rico, and about 370 dd’s Discounts stores in 23 states.
From Los Angeles Times • Mar. 10, 2026
America secured the Panama Canal, Puerto Rico, Guam, and the Philippines, as well as Hawaii, during those years.
From Barron's • Jan. 23, 2026
Willie McFaul: The six-cap Northern Ireland international notably played for Newcastle United and later managed the Guam national team.
From BBC • Dec. 18, 2025
There were over 18,000 Japanese troops on Guam.
From "Code Talker: A Novel About the Navajo Marines of World War Two" by Joseph Bruchac
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.