Oahu

American

[oh-ah-hoo] / oʊˈɑ hu /

Or O'ahu

noun

an island in central Hawaii: third largest and most important island of the state; location of Honolulu. 589 sq. mi. (1,525 sq. km).

Oahu British

/ əʊˈɑːhuː /

noun

an island in central Hawaii: the third largest of the Hawaiian Islands. Chief town: Honolulu. Pop: 876 151 (2000). Area: 1574 sq km (608 sq miles)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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See Examples For:

Oahu

Nearly every choice 18-year-old Ariana Thomas made while growing up on Oahu was geared to escape.

From The Wall Street Journal ● Aug. 20, 2026

Field trials were conducted on a residential road on the island of Oahu, Hawaii.

From Science Daily ● Jun. 28, 2026

As floodwaters begin to recede on Oahu, residents are returning home to assess the damage and, in many cases, what’s been lost.

From Salon ● Mar. 22, 2026

The authorities warned that a dam in Oahu, the state's most populous island, was at risk of collapse.

From BBC ● Mar. 21, 2026

One afternoon, we borrowed a car and drove to the North Shore of Oahu, where we sat on a ribbon of soft beach and watched surfers rip across enormous waves.

From "Becoming" by Michelle Obama

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023