Breadcrumb Home > Thesaurus > R Synonyms of retrorocket Find synonyms for: Noun 1. retrorocket, rocket, rocket engine usage: a small rocket engine on a larger rocket or spacecraft that is fired to slow or alter its course WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of retrorocket (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: procellous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language