/ Thesaurus / A Synonyms of acyl group Find synonyms for: Noun1. acyl, acyl group, group, radical, chemical groupusage: any group or radical of the form RCO- where R is an organic group; "an example of the acyl group is the acetyl group"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language