/ Thesaurus / S Synonyms of simple protein Find synonyms for: Noun1. simple protein, proteinusage: a protein that yields only amino acids when hydrolyzedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language