Breadcrumb Home > Thesaurus > C Synonyms of clastic Find synonyms for: Adjective 1. clastic, disintegrative (vs. integrative) usage: of or belonging to or being a rock composed of fragments of older rocks (e.g., conglomerates or sandstone) 2. clastic, detachable (vs. attachable) usage: capable of being taken apart; "the professor had a clastic model of the human brain" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of clastic (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: soign Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language