Breadcrumb Home > Thesaurus > O Synonyms of overboard Find synonyms for: Adverb 1. overboard usage: to extremes; "he went overboard to please his in-laws" 2. overboard usage: from on board a vessel into the water; "they dropped their garbage overboard" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of overboard (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: prescient Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language