Breadcrumb Home > Thesaurus > E Synonyms of endoblast Find synonyms for: Noun1. endoderm, entoderm, endoblast, entoblast, hypoblast, germ layerusage: the inner germ layer that develops into the lining of the digestive and respiratory systemsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of endoblast (Dictionary) ✖ Related Content Daily Word Quiz: rococo Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language