Breadcrumb Home > Thesaurus > I Synonyms of indissoluble Find synonyms for: Adjective 1. insoluble (vs. soluble), indissoluble, water-insoluble, non-water-soluble usage: (of a substance) incapable of being dissolved 2. indissoluble, permanent (vs. impermanent), lasting usage: used of decisions and contracts WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of indissoluble (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: catalpa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language