Breadcrumb Home > Thesaurus > O Synonyms of oceanaut Find synonyms for: Noun 1. aquanaut, oceanaut, skilled worker, trained worker, skilled workman usage: a skilled worker who can live in underwater installations and participate in scientific research WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of oceanaut (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