/ Thesaurus / P Synonyms of propyl group Find synonyms for: Noun1. propyl, propyl group, propyl radical, group, radical, chemical groupusage: the monovalent organic group C3H7- obtained from propaneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: inutiae Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language