Breadcrumb Home > Thesaurus > O Synonyms of organism Find synonyms for: Noun 1. organism, being, living thing, animate thing usage: a living thing that has (or can develop) the ability to act or function independently 2. organism, system, scheme usage: a system considered analogous in structure or function to a living body; "the social organism" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of organism (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: pusillanimous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language