Breadcrumb Home > Thesaurus > F Synonyms of flywheel Find synonyms for: Noun 1. flywheel, governor, regulator usage: regulator consisting of a heavy wheel that stores kinetic energy and smooths the operation of a reciprocating engine WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of flywheel (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: frisson Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language