/ Thesaurus / E Synonyms of embryologic Find synonyms for: Adjective1. embryonic, embryologic, embryonal, immature (vs. mature)usage: of an organism prior to birth or hatching; "in the embryonic stage"; "embryologic development"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language