Breadcrumb Home > Thesaurus > O Synonyms of organelle Find synonyms for: Noun 1. organelle, cell organelle, cell organ, organ usage: a specialized part of a cell; analogous to an organ; "the first organelle to be identified was the nucleus" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of organelle (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