Breadcrumb Home > Thesaurus > O Synonyms of oahu Find synonyms for: Noun 1. Oahu, Oahu Island usage: an island of central Hawaii (between Molokai and Kauai); the chief island of the state WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of oahu (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: supertonic Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language