/ Thesaurus / R Synonyms of rocket propellant Find synonyms for: Noun1. rocket fuel, rocket propellant, rocket propellent, charge, burster, bursting charge, explosive charge, propellant, propellentusage: an explosive charge that propels a rocketWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language