Breadcrumb Home > Thesaurus > O Synonyms of ocean Find synonyms for: Noun 1. ocean, body of water, water usage: a large body of water constituting a principal part of the hydrosphere 2. ocean, sea, large indefinite quantity, large indefinite amount usage: anything apparently limitless in quantity or volume WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ocean (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language