/ Thesaurus / R Synonyms of repressor gene Find synonyms for: Noun1. repressor gene, gene, cistron, factorusage: gene that prevents a nonallele from being transcribedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language